Patent US2579226A successfully refreshed from Google Patents.
US2579226A
Expired / Lapsed
US
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Stock regulator
Assignee: Combined Locks Paper Co
•
Filing: 1948-08-26
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Granted: 1951-12-18
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Expires: 1968-08-26
Abstract
No abstract record available.
Inventors
- 👤 Hervey G Cram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:49
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2506; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567636A
Cited
US1166042A
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US1726749A
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US1882991A
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US1925833A
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US1966638A
Cited
US2203925A
Cited
GB523646A
Cited
US2280632A
Cited
US2392026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |