US2925228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser winding machine
Assignee: Lockheed Martin Corp
•
Filing: 1954-05-27
•
Granted: 1960-02-16
•
Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Paul F Hayner
- 👤 Sidney K Tally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:40
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US288913A
Cited
US437554A
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US2119445A
Cited
US2310071A
Cited
US2387759A
Cited
US2627645A
Cited
US2532171A
Cited
US2740592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |