US2490889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Individual
•
Filing: 1944-10-26
•
Granted: 1949-12-13
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 Stallard Cleveland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:04
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/02; G01C15/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US821861A
Cited
US1180598A
Cited
US1138846A
Cited
US1622451A
Cited
US2074133A
Cited
US2332404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |