US3238831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric trimmer
Assignee: Goodrich Corp
•
Filing: 1964-04-09
•
Granted: 1966-03-08
•
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
2026-11-08 10:53
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.
References Cited (Backward Citations)
US1299335A
Cited
US1602746A
Cited
US1575616A
Cited
US1762826A
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US2705049A
Cited
US2987948A
Cited
US3073197A
Cited
US3008864A
Cited
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 |