US3100557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air filter latch arrangement
Assignee: American Air Filter Co Inc
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Filing: 1961-11-30
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Granted: 1963-08-13
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Allan R Getzin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN AN OPEN-ENDED UNIT FILTER CELL SUPPORT FRAME HAVING A MARGINAL SEALING FLANGE DISPOSED THEREIN: (A) AN IMPROVED LATCHING ARRANGEMENT FOR RELEASABLY RETAINING A UNIT FILTER CELL WITHIN SAID SUPPORT FRAME AND AGAINST SAID MARGINAL SEALING FLANGE COMPRISING: (B) A LONGITUDINALLY EXTENDING LATCH MEMBER PIVOTALLY MOUNTED IN CANTILEVER FASHION AT ONE END TO SAID SUPPORT FRAME; (C) SAID LATCH MEMBER INCLUDING ALONG ITS LENGTH BEARING MEANS, TONGUE MEANS AND GRIP MEANS; AND, (D) KEEPER MEANS ASSOCIATED WITH SAID SUPPORT FRAME TO RECEIVE SAID TONGUE MEANS OF SAID LATCH MEMBER; (E) SAID BEARING MEANS OF SAID LATCH MEMBER BEING OFFSET FROM SAID TONGUE MEANS TO ENGAGE FIRMLY AGAINST A FILTER CELL DISPOSED WITHIN SAID SUPPORT FRAME WHEN SAID TONGUE MEANS IS INSERTED INTO SAID KEEPER MEANS.
Claim 2
Dependent Claim
125 words
IN AN OPEN-ENDED UNIT FILTER CELL SUPPORT FRAME HAVING A MARGINAL SEALING FLANGE DISPOSED THEREIN: (A) AN IMPROVED LATCHING ARRANGEMENT FOR RELEASABLY RETAINING A UNIT FILTER CELL WITHIN SAID SUPPORT FRAME AND AGAINST SAID MARGINAL SEALING FLANGE COMPRISING: (B) A LONGITUDINALLY EXTENDING LATCH MEMBER PIVOTALLY MOUNTED IN CANTILEVER FASHION AT ONE END TO SAID SUPPORT FRAME; (C) SAID LATCH MEMBER INCLUDING ALONG ITS LENGTH BEARING MEANS, TONGUE MEANS AND GRIP MEANS; AND, (D) KEEPER MEANS ASSOCIATED WITH SAID SUPPORT FRAME TO RECEIVE SAID TONGUE MEANS OF SAID LATCH MEMBER; (E) SAID BEARING MEANS OF SAID LATCH MEMBER BEING OFFSET FROM SAID TONGUE MEANS TO ENGAGE FIRMLY AGAINST A FILTER CELL DISPOSED WITHIN SAID SUPPORT FRAME WHEN SAID TONGUE MEANS IS INSERTED INTO SAID KEEPER MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |