US3011576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless tread construction for a snowmobile
Assignee: Individual
•
Filing: 1958-09-24
•
Granted: 1961-12-05
•
Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 John M Howes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:29
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02; B62M2027/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1176053A
Cited
US2260344A
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US2284075A
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US2346351A
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US2522331A
Cited
US2617659A
Cited
US2749189A
Cited
US2708978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |