US3256806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable pan
Assignee: Individual
•
Filing: 1962-06-06
•
Granted: 1966-06-21
•
Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 David D Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:09
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/02; A47J36/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A PREFABRICATED EXPANDABLE PAN CONSTRUCTION IN FOLDED POSITION, COMPRISING A SERIES OF PARALLEL U-SHAPED STRUCTURES JOINED TOGETHER AT THEIR TOPS IN SIDE-BY-SIDE RELATIONSHIP AT THE UPPER EDGES THEREOF, THE ENDS OF SAID U-SHAPED STRUCTURES EXTENDING DOWNWARDLY AND INWARDLY FROM THE TOP TO THE BOTTOM THEREOF AT APPROXIMATELY A 45 DEGREE ANGLE, A FOLDED END MEMBER AT EACH END OF SAID STRUCTURES JOINED TO THE END MEMBERS OF THE ADJACENT STRUCTURES, PERFORATIONS SPACED ALONG THE UPPER EDGE OF ONE SIDE OF EACH STRUCTURE, AND TABS FOR EACH OF SAID PERFORATIONS JOINED TO THE TOP OF THE ADJACENT STRUCTURE AND PROJECTING IN HORIZONTAL POSITION OVER THE RESPECTIVE PERFORATION IN OVERLAPPING RELATIONSHIP WITH AN ADJACENT TAB, SAID FOLDED PAN CONSTRUCTION BEING ADAPTED TO EXPAND IN SECTIONS TO FORM A SERIES OF V-SHAPED TROUGHS WITH PERFORATIONS ALONG THE TOP THEREOF.
References Cited (Backward Citations)
US833529A
Cited
US1531448A
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US2656958A
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US2815883A
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US2880860A
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US2875683A
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US3113505A
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |