Patent US3238831A successfully refreshed from Google Patents.
US3238831A
Expired / Lapsed
US
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Fabric trimmer
Assignee: Goodrich Corp
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Filing: 1964-04-09
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Granted: 1966-03-08
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Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Donald K Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:35
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/10; B26D1/11; B26D1/115; B29; B29C; B29C37/00; B29C37/02; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/46; C; C10; C10B; C10B33/00; C10B33/02; D; D06; D06C; D06C3/00; D06H; D06H7/00; D06H7/04; D06H7/06; B29K; B29K2021/00; D06C2700/00; D06C2700/10; Y; Y10; Y10S; Y10S83/00; Y10S83/922; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6603; Y10T83/6604; Y10T83/929; Y10T83/9457; Y10T83/9488; Y10T83/949
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN EDGE TRIMMER COMPRISING A SUPPORT FRAME ADAPTED TO BE CONNECTED TO A CALENDER APPARATUS WHICH PROCESSES A SHEET OF CONTINUOUSLY MOVING MATERIAL HAVING A LONGITUDINAL CENTER LINE, SAID SUPPORT FRAME HAVING A CROSSHEAD MOUNTED ON SAID FRAME FOR UNRESTRICTED MOVEMENT TOWARD AND AWAY FROM SUCH LONGITUDINAL CENTER LINE, SAID CROSSHEAD HAVING A CUTTER MOUNTED THEREON FOR ENGAGEMENT WITH SUCH SHEET OF MATERIAL, AND ADJUSTING MEANS ON SAID SUPPORT FRAME OPERATIVELY CONNECTED TO SAID CROSSHEAD PROVIDING A PRESELECTED CONSTANT LATERAL FORCE ON SAID CROSSHEAD IRRESPECTIVE OF THE LATERAL MOVEMENT OF SAID CROSSHEAD TOWARD SAID LONGITUDINAL CENTER LINE.
Claim 2
Dependent Claim
97 words
AN EDGE TRIMMER COMPRISING A SUPPORT FRAME ADAPTED TO BE CONNECTED TO A CALENDER APPARATUS WHICH PROCESSES A SHEET OF CONTINUOUSLY MOVING MATERIAL HAVING A LONGITUDINAL CENTER LINE, SAID SUPPORT FRAME HAVING A CROSSHEAD MOUNTED ON SAID FRAME FOR UNRESTRICTED MOVEMENT TOWARD AND AWAY FROM SUCH LONGITUDINAL CENTER LINE, SAID CROSSHEAD HAVING A CUTTER MOUNTED THEREON FOR ENGAGEMENT WITH SUCH SHEET OF MATERIAL, AND ADJUSTING MEANS ON SAID SUPPORT FRAME OPERATIVELY CONNECTED TO SAID CROSSHEAD PROVIDING A PRESELECTED CONSTANT LATERAL FORCE ON SAID CROSSHEAD IRRESPECTIVE OF THE LATERAL MOVEMENT OF SAID CROSSHEAD TOWARD SAID LONGITUDINAL CENTER LINE.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |