US3055475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic drive
Assignee: Individual
•
Filing: 1958-12-19
•
Granted: 1962-09-25
•
Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Wade H Pitts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:15
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D2027/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA533180A
Cited
US2738044A
Cited
US2739683A
Cited
US2796962A
Cited
US2796963A
Cited
US2919777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |