US2979630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission mechanisms and the like
Assignee: Individual
•
Filing: 1957-04-12
•
Granted: 1961-04-11
•
Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Bishop Dudley Oswald
- 👤 Brosan George Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
H; H02; H02K; H02K49/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338169A
Cited
US446488A
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US806217A
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US1001047A
Cited
US1184224A
Cited
GB141360A
Cited
US1635319A
Cited
US1791978A
Cited
GB413026A
Cited
US1987479A
Cited
US2408080A
Cited
US2633545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |