Patent US4836501A successfully refreshed from Google Patents.
Patent US3076390A successfully refreshed from Google Patents.
US3076390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable mats
Assignee: Fenestra Inc
•
Filing: 1958-12-30
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Granted: 1963-02-05
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Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Richard W Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:26
CPC Classifications
E; E01; E01C; E01C9/00; E01C9/08; E01C9/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A PAIR OF MATS IN END TO END CONNECTION, EACH MAT COMPRISING AN ASSEMBLY OF UPPER, INTERMEDIATE AND LOWER PLATES, THE INTERMEDIATE PLATE OF ONE OF SAID MATS BEING CORRUGATED AND TERMINATING AT ONE END OF SAID ONE MAT IN AXIALLY SPACED RELATION TO THE ENDS OF THE UPPER AND LOWER PLATE OF SAID ONE MAT, SAID LOWER PLATE AT SAID ONE END OF SAID ONE MAT EXTENDING LONGITUDINALLY BEYOND THE CORRESPONDING END OF THE TOP PLATE THEREOF, THE INTERMEDIATE PLATE OF THE OTHER OF SAID MATS BEING CORRUGATED AND THE LOWER PLATE OF THE END OF SAID OTHER MAT ADJACENT SAID ONE END OF SAID ONE OF SAID MATS BEING TERMINATED SHORT OF THE ENDS OF THE INTERMEDIATE AND UPPER PLATES THEREOF, AN ASSEMBLY POST EXTENDING UPWARDLY FROM THE EXTENDED PORTION OF THE LOWER PLATE OF SAID ONE MAT, SAID LOWER PLATE OF SAID OTHER MAT HAVING AN OPENING EXTENDING THROUGH THE ADJACENT END THEREOF, THE ADJACENT END OF THE LOWER PLATE OF SAID OTHER MAT RESTING ON SAID EXTENDED LOWER PLATE OF SAID ONE MAT WITH THE ASSEMBLY POST EXTENDING THROUGH THE OPENING IN SAID LOWER PLATE OF SAID OTHER MAT, SAID INTERMEDIATE AND UPPER PLATE OF SAID OTHER MATS EACH HAVING AN OPENING EXTENDING THERETHROUGH ALIGNED WITH THE OPENING IN THE LOWER PLATE, AND A FASTENER EXTENDING THROUGH THE OPENING IN THE INTERMEDIATE AND UPPER PLATE ENGAGING THE ASSEMBLY POST OF SAID ONE MAT TO LOCK THE MATS IN END TO END CONNECTION.
Claim 2
Dependent Claim
246 words
A PAIR OF MATS IN END TO END CONNECTION, EACH MAT COMPRISING AN ASSEMBLY OF UPPER, INTERMEDIATE AND LOWER PLATES, THE INTERMEDIATE PLATE OF ONE OF SAID MATS BEING CORRUGATED AND TERMINATING AT ONE END OF SAID ONE MAT IN AXIALLY SPACED RELATION TO THE ENDS OF THE UPPER AND LOWER PLATE OF SAID ONE MAT, SAID LOWER PLATE AT SAID ONE END OF SAID ONE MAT EXTENDING LONGITUDINALLY BEYOND THE CORRESPONDING END OF THE TOP PLATE THEREOF, THE INTERMEDIATE PLATE OF THE OTHER OF SAID MATS BEING CORRUGATED AND THE LOWER PLATE OF THE END OF SAID OTHER MAT ADJACENT SAID ONE END OF SAID ONE OF SAID MATS BEING TERMINATED SHORT OF THE ENDS OF THE INTERMEDIATE AND UPPER PLATES THEREOF, AN ASSEMBLY POST EXTENDING UPWARDLY FROM THE EXTENDED PORTION OF THE LOWER PLATE OF SAID ONE MAT, SAID LOWER PLATE OF SAID OTHER MAT HAVING AN OPENING EXTENDING THROUGH THE ADJACENT END THEREOF, THE ADJACENT END OF THE LOWER PLATE OF SAID OTHER MAT RESTING ON SAID EXTENDED LOWER PLATE OF SAID ONE MAT WITH THE ASSEMBLY POST EXTENDING THROUGH THE OPENING IN SAID LOWER PLATE OF SAID OTHER MAT, SAID INTERMEDIATE AND UPPER PLATE OF SAID OTHER MATS EACH HAVING AN OPENING EXTENDING THERETHROUGH ALIGNED WITH THE OPENING IN THE LOWER PLATE, AND A FASTENER EXTENDING THROUGH THE OPENING IN THE INTERMEDIATE AND UPPER PLATE ENGAGING THE ASSEMBLY POST OF SAID ONE MAT TO LOCK THE MATS IN END TO END CONNECTION.
References Cited (Backward Citations)
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US2167285A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |