Patent US3244442A successfully refreshed from Google Patents.
US3244442A
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US
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Panel latching arrangement
Assignee: American Air Filter Co Inc
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Filing: 1963-10-21
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Granted: 1966-04-05
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Arbogast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:46
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1094; Y10T292/20; Y10T292/221; Y10T292/223
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A ROTATABLE LATCH FOR SECURING THE EDGES OF ADJACENT PANELS HAVING OPPOSITELY-DIRECTED FLANGES, COMPRISING: (A) A ROTATABLE THREADED MEMBER CARRIED NEAR THE FLANGED EDGE OF ONE OF SAID PANELS;
References Cited (Backward Citations)
US1172320A
Cited
US1357864A
Cited
US1472619A
Cited
US1433430A
Cited
US2795448A
Cited
US2917267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |