US3081874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen tensioning device
Assignee: Orville Simpson Co
•
Filing: 1960-06-27
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Granted: 1963-03-19
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Vernon L Corbin
- 👤 Allan M Crain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:39
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
IN COMBINATION, A SCREEN FRAME HAVING AN OUTWARDLY EXTENDING FLANGE, SAID FLANGE HAVING A BEAD ON ITS OUTER EDGE, A PLURALITY OF SCREEN TENSIONERS MOUNTED AROUND THE PERIPHERY OF SAID FRAME, EACH TENSIONER COMPRISING A SPRING HAVING A CLIP PORTION FITTED ONTO SAID FLANGE AND A YIELDABLE FINGER EXTENDING UPWARDLY FROM THE PLANE OF SAID FRAME, SAID CLIP PORTION INCLUDING A DETENT SNAPPED INWARDLY OF SAID BEAD, AND A SCREEN PROVIDED WITH OPENINGS AT SPACED INTERVALS ALONG ITS PERIPHERY, THE RESPECTIVE FINGERS OF SAID TENSIONERS EXTENDING THROUGH SAID OPENINGS, SAID SCREEN BEING STRETCHED BETWEEN TENSIONERS DISPOSED ON OPPOSITE SIDES OF SAID FRAME.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |