US1423725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder platform and roof jack
Assignee: Individual
•
Filing: 1920-11-01
•
Granted: 1922-07-25
•
Expires: 1940-11-01
Abstract
No abstract record available.
Inventors
- 👤 Carl J Mohr
- 👤 Urban J Mohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:31
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/48; E06C7/16; E06C7/42; E06C7/46
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) | 1925-07-24 | 1926-01-23 | 1926-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-24 | 1930-01-23 | 1930-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-24 | 1934-01-23 | 1934-07-25 | $7700.00 | Window Closed / Lapsed |