Patent US2929099A successfully refreshed from Google Patents.
US2929099A
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US
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Hamburger press
Assignee: Washburn Co
•
Filing: 1957-01-14
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Granted: 1960-03-22
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Expires: 1977-01-14
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Glenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:37
CPC Classifications
A; A22; A22C; A22C7/00; A22C7/0023; A22C7/003; A22C7/0076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US197561A
Cited
US476137A
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US2722713A
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US1172508A
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US1462880A
Cited
US1986864A
Cited
US2650552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |