US2898727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling exhaust of motor alley heat in textile work rooms
Assignee: Individual
•
Filing: 1956-06-15
•
Granted: 1959-08-11
•
Expires: 1976-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Agnew H Bahnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/16; D01H1/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2394923A
Cited
US2425577A
Cited
US2431726A
Cited
US2601008A
Cited
FR976681A
Cited
US2539195A
Cited
US2708829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |