US1969628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder
Assignee: Individual
•
Filing: 1933-10-31
•
Granted: 1934-08-07
•
Expires: 1953-10-31
Abstract
No abstract record available.
Inventors
- 👤 Skeenes Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:21
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/02; A; A47; A47L; A47L3/00; A47L3/02; E; E06; E06C; E06C1/00; E06C1/02; E06C1/38; E06C1/397; E06C7/00; E06C7/16
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) | 1937-08-06 | 1938-02-05 | 1938-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-06 | 1942-02-05 | 1942-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-06 | 1946-02-05 | 1946-08-07 | $7700.00 | Window Closed / Lapsed |