US1018877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder-hook.
Assignee: Individual
•
Filing: 1911-11-20
•
Granted: 1912-02-27
•
Expires: 1931-11-20
Abstract
No abstract record available.
Inventors
- 👤 Frank W Chickering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:04
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/34; E06C1/36; E06C7/00; E06C7/48; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44265; Y10T24/44573; Y10T24/44615
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) | 1915-02-26 | 1915-08-28 | 1916-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-26 | 1919-08-28 | 1920-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-26 | 1923-08-28 | 1924-02-27 | $7700.00 | Window Closed / Lapsed |