US3455415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handicapping device for sulky wheels
Assignee: CHESTER C DE PEW
•
Filing: 1967-09-01
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Granted: 1969-07-15
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Expires: 1987-09-01
Abstract
No abstract record available.
Inventors
- 👤 Chester C De Pew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
B; B62; B62C; B62C7/00; B62C7/04; B60; B60T; B60T1/00; B60T1/02; B60T1/06; B60T1/065; B62B; B62B5/00; B62B5/04; B62B5/0404; B62B5/0476
Claims Analysis
Total Claims: 0
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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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |