Patent US3132872A successfully refreshed from Google Patents.
US3132872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem kit for a bicycle
Assignee: Individual
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Filing: 1962-03-14
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Granted: 1964-05-12
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Expires: 1982-03-14
Abstract
No abstract record available.
Inventors
- 👤 Pinsly William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:21
CPC Classifications
B; B62; B62K; B62K13/00; B62K13/02; B62K3/00; B62K3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A TANDEM KIT FOR A BICYCLE, A TANDEM FRAME INCLUDING: UPPER MEANS FOR SUPPORTED ATTACHMENT OF A BICYCLE SADDLE SEAT, REAR MEANS FOR SUPPORTING ATTACHMENT OF A REAR DRIVING WHEEL EQUIPPED WITH A SPROCKET, A LOWER PORTION HUB AND A ROTARY DOUBLE DRIVING SPROCKET AND PEDAL UNIT SUPPORTED BY THE HUB FOR RECEIVING THEREOVER A REGULAR BICYCLE DRIVE CHAIN WHICH IS ALSO TRAINED OVER THE DRIVING WHEEL SPROCKET, AND A FORWARD COUPLING BRACKET HAVING MEANS FOR ATTACHMENT TO THE REAR PORTION OF A REGULAR BICYCLE FRAME; A SPROCKET CHAIN FOR DRIVINGLY COUPLING SAID DOUBLE SPROCKET WITH THE REGULAR DRIVING SPROCKET ON A REGULAR BICYCLE FRAME WITH WHICH SAID TANDEM FRAME IS COUPLED BY SAID COUPLING BRACKET, AND A COMBINATION HANDLE BAR AND SADDLE SEAT ADAPTER UNIT CONSTRUCTED AND ARRANGED FOR SUBSTITUTION FOR THE REGULAR BICYCLE SADDLE SEAT STRUCTURE AND INCLUDING A SEAT POST HAVING AS AN INTEGRAL RIGID ANGULAR BRANCH THEREFROM A REARWARDLY AND UPWARDLY EXTENDING ARM EQUIPPED WITH A TERMINAL CLAMP FOR ADJUSTABLY ENGAGING AND ATTACHING A HANDLE BAR TO THE ARM.
Claim 2
Dependent Claim
174 words
IN A TANDEM KIT FOR A BICYCLE, A TANDEM FRAME INCLUDING: UPPER MEANS FOR SUPPORTED ATTACHMENT OF A BICYCLE SADDLE SEAT, REAR MEANS FOR SUPPORTING ATTACHMENT OF A REAR DRIVING WHEEL EQUIPPED WITH A SPROCKET, A LOWER PORTION HUB AND A ROTARY DOUBLE DRIVING SPROCKET AND PEDAL UNIT SUPPORTED BY THE HUB FOR RECEIVING THEREOVER A REGULAR BICYCLE DRIVE CHAIN WHICH IS ALSO TRAINED OVER THE DRIVING WHEEL SPROCKET, AND A FORWARD COUPLING BRACKET HAVING MEANS FOR ATTACHMENT TO THE REAR PORTION OF A REGULAR BICYCLE FRAME; A SPROCKET CHAIN FOR DRIVINGLY COUPLING SAID DOUBLE SPROCKET WITH THE REGULAR DRIVING SPROCKET ON A REGULAR BICYCLE FRAME WITH WHICH SAID TANDEM FRAME IS COUPLED BY SAID COUPLING BRACKET, AND A COMBINATION HANDLE BAR AND SADDLE SEAT ADAPTER UNIT CONSTRUCTED AND ARRANGED FOR SUBSTITUTION FOR THE REGULAR BICYCLE SADDLE SEAT STRUCTURE AND INCLUDING A SEAT POST HAVING AS AN INTEGRAL RIGID ANGULAR BRANCH THEREFROM A REARWARDLY AND UPWARDLY EXTENDING ARM EQUIPPED WITH A TERMINAL CLAMP FOR ADJUSTABLY ENGAGING AND ATTACHING A HANDLE BAR TO THE ARM.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |