US3439763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track attachment for motorized cycles
Assignee: WALTER H PEDERSON
•
Filing: 1966-11-14
•
Granted: 1969-04-22
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Walter H Pederson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/06; B62D55/07; B62D55/02; B62K; B62K13/00; B62M; B62M27/00; B62M27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1055609A
Cited
CH187290A
Cited
US2323526A
Cited
US2475250A
Cited
US3252533A
Cited
US3309150A
Cited
US3318403A
Cited
US3362492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |