Patent US3618232A successfully refreshed from Google Patents.
US3618232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeved boot
Assignee: Individual
•
Filing: 1970-04-24
•
Granted: 1971-11-09
•
Expires: 1990-04-24
Abstract
Abstract A BOOT HAVING A RELATIVELY STIFF UPPER TERMINATING IN A FOOT RECEIVING MOUTH OPENING AND FLEXIBLE TUBULAR SLEEVE HAVING ONE END SECURED ABOUT SAID MOUNT OPENING AND MOVABLE FROM A RETRACTED POSITION EMBRACING THE BOOT TO AN EXTENDED POSITION ABOVE THE BOOT AND A CLOSURE PREFER- ABLY IN THE FORM OF A DRAWSTRING ON THE OTHER END OF THE SLEEVE.
Inventors
- 👤 Michael Shnuriwsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:33
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |