US3510939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil developing method
Assignee: General Electric Co
•
Filing: 1969-04-02
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Granted: 1970-05-12
•
Expires: 1989-04-02
Abstract
No abstract record available.
Inventors
- 👤 Dallas F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:16
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043; H02K15/0431; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49071; Y10T29/53; Y10T29/5313; Y10T29/53143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2836204A
Cited
US2934099A
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US3036603A
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US3263309A
Cited
US3151638A
Cited
US3101180A
Cited
US3331403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |