US2540195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for mixing rubber and the like
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1946-05-23
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Granted: 1951-02-06
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Expires: 1966-05-23
Abstract
No abstract record available.
Inventors
- 👤 Engler Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:02
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/52; B29B7/56; B29B7/566
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
THE METHOD OF MILLING AND MIXING RUBBER AND THE LIKE WHICH COMPRISES CONTINUOUSLY ROLLING THE RUBBER INTO CONTINUOUS SHEET FORM ON A MILL ROLL, CONTINUOUSLY DIVIDING THE SHEET INTO A PLURALITY OF PAIRS OF RIBBONS AND WITHDRAWING THE RIBBONS FROM THE ROLL, CONTINUOUSLY RETURNING ONE PAIR OF THE RIBBONS TO REGIONS OF THE ROLL SPACED AXIALLY OF THE FOLL FROM THE POINTS OF
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US1897961A
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US1972822A
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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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |