US2848167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive control apparatus
Assignee: Baso Inc
•
Filing: 1953-03-26
•
Granted: 1958-08-19
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Russell B Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:53
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/08; F23N1/085; F23N5/00; F23N5/02; F23N5/10; F23N5/105; F23N2235/00; F23N2235/12; F23N2235/14
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |