US2823549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually controlled linkage
Assignee: Knapp Monarch Co
•
Filing: 1955-04-25
•
Granted: 1958-02-18
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 John B Buckman
- 👤 Robert D Uthoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:05
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; H; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23; G05G2700/00; G05G2700/12; G05G2700/16; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/20; Y10T74/20012; Y10T74/20396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2488364A
Cited
US2719945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |