Patent US4899810A successfully refreshed from Google Patents.
Patent US2992696A successfully refreshed from Google Patents.
US2992696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid shoe for a ladder
Assignee: Individual
•
Filing: 1958-05-05
•
Granted: 1961-07-18
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jedinak Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:07
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/42; E06C7/46; E06C1/00; E06C1/02; E06C1/04; E06C1/08; E06C1/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US178480A
Cited
US375249A
Cited
GB189901821A
Cited
GB189904106A
Cited
US2372003A
Cited
US2423659A
Cited
US2567989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |