US3545103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for boot door
Assignee: SPORTS Tech
•
Filing: 1969-02-05
•
Granted: 1970-12-08
•
Expires: 1989-02-05
Abstract
No abstract record available.
Inventors
- 👤 Roger D Bloomfield
- 👤 Paul S Petersen
- 👤 Robert W Wiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:16
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/14; A43C11/1406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1391829A
Cited
US3374561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |