US2375685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stand
Assignee: Individual
•
Filing: 1943-10-16
•
Granted: 1945-05-08
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 David M Pennington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:10
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/02; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B2/18; F16B2/185; F16B7/00; F16B7/04; F16B7/044; F16B7/048; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1424
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) | 1948-05-07 | 1948-11-06 | 1949-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-07 | 1952-11-06 | 1953-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-07 | 1956-11-06 | 1957-05-08 | $7700.00 | Window Closed / Lapsed |