US3487241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear motor-generator
Assignee: THOMAS A CARTER
•
Filing: 1967-11-07
•
Granted: 1969-12-30
•
Expires: 1987-11-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:21
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/035; H02K41/0352; H02K41/0354; H02K41/0356; H02K35/00; H02K35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2118862A
Cited
US2367026A
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US2591795A
Cited
US2832903A
Cited
US2835832A
Cited
US3085847A
Cited
US3149254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |