US2615665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety ladder bracket
Assignee: EVELYN M WHITE
•
Filing: 1947-12-13
•
Granted: 1952-10-28
•
Expires: 1967-12-13
Abstract
No abstract record available.
Inventors
- 👤 Baxter Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:29
CPC Classifications
E; E06; E06C; E06C9/00; E06C9/06; E06C9/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US387619A
Cited
US590924A
Cited
US721488A
Cited
US896569A
Cited
US869151A
Cited
US942683A
Cited
US1095595A
Cited
US1209839A
Cited
US1241701A
Cited
US2195299A
Cited
US2318943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |