US2645511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole hinge
Assignee: Individual
•
Filing: 1950-08-30
•
Granted: 1953-07-14
•
Expires: 1970-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harry E Rutledge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:17
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/18; E04H12/187; F; F21; F21V; F21V21/00; F21V21/36; F21S; F21S8/00; F21S8/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32163; Y10T403/32606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490093A
Cited
US1564886A
Cited
US1742481A
Cited
US1993183A
Cited
US2286655A
Cited
US2458081A
Cited
US2577811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |