Patent US4435091A successfully refreshed from Google Patents.
Patent US2786153A successfully refreshed from Google Patents.
US2786153A
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Rotary step-by-step actuating mechanism
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1952-07-30
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Granted: 1957-03-19
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Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Richard L Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:01
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/08; H01H51/082; H01H51/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US757991A
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US1044507A
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DE372535C
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US1839457A
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DE680504C
Cited
US2174086A
Cited
US2297618A
Cited
US2299498A
Cited
US2497466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |