Patent US3225634A successfully refreshed from Google Patents.
US3225634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dividing a film of thermoplastic material into small strips
Assignee: Individual
•
Filing: 1962-09-28
•
Granted: 1965-12-28
•
Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Becker Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:02
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/02; B26D1/03; B26D1/035; B26D1/12; B26D1/14; B26D1/20; B26D1/205; B26D1/22; B26D1/225; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/647; Y10T83/6584; Y10T83/66; Y10T83/929; Y10T83/9309
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN APPARATUS FOR DIVIDING A FILM OF THERMOPLASTIC MATERIAL INTO SMALL STRIPS, A PLURALITY OF THIN KNIFE BALDES EACH HAVING A CIRCULAR KNIFE EDGE, A FIXED SHAFT, SAID KNIFE BLADES BEING NONROTATABLY MOUNTED ON SAID FIXED SHAFT, MEANS FOR HEATING SAID KNIFE BLADES, MEANS FOR GUIDABLY SUPPORTING SAID FILM INCLUDING AN INTERCHANGEABLE LAYER OF A MATERIAL WEAKER THAN THE KNIFE BLADE EDGES, SAID MEANS FOR GUIDABLY SUPPORTING SAID FILM AND SAID SHAFT BEING MOVABLY RELATIVELY TO EACH OTHER.
Claim 2
Dependent Claim
78 words
IN APPARATUS FOR DIVIDING A FILM OF THERMOPLASTIC MATERIAL INTO SMALL STRIPS, A PLURALITY OF THIN KNIFE BALDES EACH HAVING A CIRCULAR KNIFE EDGE, A FIXED SHAFT, SAID KNIFE BLADES BEING NONROTATABLY MOUNTED ON SAID FIXED SHAFT, MEANS FOR HEATING SAID KNIFE BLADES, MEANS FOR GUIDABLY SUPPORTING SAID FILM INCLUDING AN INTERCHANGEABLE LAYER OF A MATERIAL WEAKER THAN THE KNIFE BLADE EDGES, SAID MEANS FOR GUIDABLY SUPPORTING SAID FILM AND SAID SHAFT BEING MOVABLY RELATIVELY TO EACH OTHER.
References Cited (Backward Citations)
US567130A
Cited
US2736257A
Cited
US1996176A
Cited
US1998357A
Cited
US2251282A
Cited
US2623586A
Cited
US2596400A
Cited
US2781839A
Cited
US2805700A
Cited
US3069953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |