US2569714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gauge
Assignee: Individual
•
Filing: 1945-03-12
•
Granted: 1951-10-02
•
Expires: 1965-03-12
Abstract
No abstract record available.
Inventors
- 👤 William C Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:02
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2287; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098; Y10T29/49103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2075906A
Cited
US1962617A
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US2154261A
Cited
US2280257A
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US2327935A
Cited
US2365015A
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US2344648A
Cited
US2367211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |