US3145029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem sleds
Assignee: Individual
•
Filing: 1962-07-17
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Granted: 1964-08-18
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Ollanketo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/005; B62B15/00; B62B2207/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A TANDEM SLED COMPRISING IN COMBINATION, AN INDEPENDENT FORWARD UNIT AND AT LEAST ONE TRAILED UNIT IN TANDEM ARRANGEMENT RELATIVE TO THE SAID FORWARD UNIT, A FLEXIBLE CONNECTOR PERMANENTLY CONNECTING THE SAID INDEPENDENT FORWARD UNIT AND THE SAID REAR TRAILED UNIT IN LONGITUDINALLY SPACED RELATION, SAID FLEXIBLE CONNECTOR COMPRISING A RELATIVELY HEAVY FLEXIBLE CENTRAL WEB TERMINATING EACH END PORTION THEREOF IN TRANSVERSELY DISPOSED FLANGE PLATES HAVING BORES ALIGNED WITH BORES IN THE RESPECTIVE SLED UNITS TO RECEIVE THREADED SCREWS WHEREBY THE SAID FLEXIBLE CONNECTOR IS PERMANENTLY SECURED TO THE RESPECTIVE SLED UNITS.
Claim 2
Dependent Claim
92 words
A TANDEM SLED COMPRISING IN COMBINATION, AN INDEPENDENT FORWARD UNIT AND AT LEAST ONE TRAILED UNIT IN TANDEM ARRANGEMENT RELATIVE TO THE SAID FORWARD UNIT, A FLEXIBLE CONNECTOR PERMANENTLY CONNECTING THE SAID INDEPENDENT FORWARD UNIT AND THE SAID REAR TRAILED UNIT IN LONGITUDINALLY SPACED RELATION, SAID FLEXIBLE CONNECTOR COMPRISING A RELATIVELY HEAVY FLEXIBLE CENTRAL WEB TERMINATING EACH END PORTION THEREOF IN TRANSVERSELY DISPOSED FLANGE PLATES HAVING BORES ALIGNED WITH BORES IN THE RESPECTIVE SLED UNITS TO RECEIVE THREADED SCREWS WHEREBY THE SAID FLEXIBLE CONNECTOR IS PERMANENTLY SECURED TO THE RESPECTIVE SLED UNITS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |