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US3061750A
Expired / Lapsed
US
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Pancake motor
Assignee: Individual
•
Filing: 1958-02-27
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Granted: 1962-10-30
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Stegman Charles Burchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:43
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08; H02K21/00; H02K21/12; H02K21/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1275665A
Cited
US1595550A
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US2041875A
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US2302013A
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US2356972A
Cited
US2469808A
Cited
US2691124A
Cited
FI25969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |