Patent US1080280A successfully refreshed from Google Patents.
US1080280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-operating means.
Assignee: Individual
•
Filing: 1913-02-28
•
Granted: 1913-12-02
•
Expires: 1933-02-28
Abstract
No abstract record available.
Inventors
- 👤 Frank O Hult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:26
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/26; F16H55/28; F16H55/283; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967
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) | 1916-12-01 | 1917-06-02 | 1917-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-01 | 1921-06-02 | 1921-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-01 | 1925-06-02 | 1925-12-02 | $7700.00 | Window Closed / Lapsed |