Patent US3107915A successfully refreshed from Google Patents.
US3107915A
Expired / Lapsed
US
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Bicycle exercising device
Assignee: GROVER W WERTZ
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Filing: 1960-12-16
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Granted: 1963-10-22
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 Mervyn H Looney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:44
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/16; A63B2069/164; A63B2069/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US330430A
Cited
US581835A
Cited
GB521467A
Cited
US2261846A
Cited
US2534967A
Cited
FR1081062A
Cited
US2972478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |