US1394691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1921-03-19
•
Granted: 1921-10-25
•
Expires: 1941-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr John L Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:44
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/32; F16M11/36; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342
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) | 1924-10-24 | 1925-04-25 | 1925-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-10-24 | 1929-04-25 | 1929-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-10-24 | 1933-04-25 | 1933-10-25 | $7700.00 | Window Closed / Lapsed |