Patent US2881472A successfully refreshed from Google Patents.
US2881472A
Expired / Lapsed
US
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Shearing and cutting apparatus for gelatinous material
Assignee: Proctor and Schwartz Inc
•
Filing: 1955-08-23
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Granted: 1959-04-14
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Jack P Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:57
CPC Classifications
C; C09; C09H; C09H9/00; C09H9/04; C09H9/02; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2192
Claims Analysis
Total Claims: 0
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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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |