Patent US2334841A successfully refreshed from Google Patents.
US2334841A
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Bag spreader mechanism
Assignee: Davol Rubber Co
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Filing: 1940-04-10
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Granted: 1943-11-23
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Expires: 1960-04-10
Abstract
No abstract record available.
Inventors
- 👤 Paul A Raiche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0003; B29C37/0017; B29D; B29D22/00; B29D22/003; B29D22/006; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53652; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-22 | 1947-05-24 | 1947-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-22 | 1951-05-24 | 1951-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-22 | 1955-05-24 | 1955-11-23 | $7700.00 | Window Closed / Lapsed |