Patent US5171241A successfully refreshed from Google Patents.
US2945167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power amplifying servomechanisms
Assignee: Individual
•
Filing: 1957-07-31
•
Granted: 1960-07-12
•
Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Roland E Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2127265A
Cited
US2167484A
Cited
US2319212A
Cited
US2686282A
Cited
US2715707A
Cited
CH315921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |