US2002346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off mechanism for sheet material
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1928-05-12
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Granted: 1935-05-21
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Expires: 1948-05-12
Abstract
No abstract record available.
Inventors
- 👤 David H Goodwillie
- 👤 Emmett L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:34
CPC Classifications
C; C03; C03B; C03B21/00; C03B21/02; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4691; Y10T83/4757; Y10T83/4766; Y10T83/4795
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) | 1938-05-20 | 1938-11-19 | 1939-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-20 | 1942-11-19 | 1943-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-20 | 1946-11-19 | 1947-05-21 | $7700.00 | Window Closed / Lapsed |