US3040501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable filter for air conditioning apparatus
Assignee: General Electric Co
•
Filing: 1958-11-28
•
Granted: 1962-06-26
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Pietsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:54
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/0328; F24F1/035; B; B01; B01D; B01D46/00; B01D46/10; B01D46/42; B01D46/4263; F24F8/00; F24F8/10; F24F8/108; B01D2265/00; B01D2265/02; B01D2265/024; B01D2273/00; B01D2273/30; B01D2279/00; B01D2279/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037145A
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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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |