US2993969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
•
Filing: 1958-07-28
•
Granted: 1961-07-25
•
Expires: 1978-07-28
Abstract
No abstract record available.
Inventors
- 👤 Rollin A Alcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:14
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/001; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/19; G05D23/275; G05D23/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1676923A
Cited
GB447672A
Cited
US2199357A
Cited
US2625630A
Cited
US2671840A
Cited
US2739204A
Cited
US2827534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |