US2469804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Individual
•
Filing: 1947-01-30
•
Granted: 1949-05-10
•
Expires: 1967-01-30
Abstract
No abstract record available.
Inventors
- 👤 Weaver Richard Eshleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:29
CPC Classifications
E; E05; E05D; E05D5/00; E05D5/02; E05Y; E05Y2600/00; E05Y2600/60; E05Y2600/622; Y; Y10; Y10S; Y10S29/00; Y10S29/026; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |