US1461182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof-plate form
Assignee: Individual
•
Filing: 1922-10-05
•
Granted: 1923-07-10
•
Expires: 1942-10-05
Abstract
No abstract record available.
Inventors
- 👤 Engeset Lars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:41
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/34; E04D1/02; E04D1/10; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/36; E04D2001/3408; E04D2001/3414; E04D2001/3432; E04D2001/3444; E04D2001/3447; E04D2001/3452; E04D2001/3458; E04D2001/3461; E04D2001/347; E04D2001/3482
Claims Analysis
Total Claims: 0
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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) | 1926-07-09 | 1927-01-08 | 1927-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-09 | 1931-01-08 | 1931-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-09 | 1935-01-08 | 1935-07-10 | $7700.00 | Window Closed / Lapsed |