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US2564451A
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Assignee: Houdaille Hershey Corp
•
Filing: 1946-11-23
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Granted: 1951-08-14
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Expires: 1966-11-23
Abstract
No abstract record available.
Inventors
- 👤 Ray A Sandberg
- 👤 Ernest J Van Sickel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:26
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/44; B26D1/445; B26F; B26F1/00; B26F1/02; B26F1/14; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/895; Y10T408/8957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US257311A
Cited
US1894999A
Cited
GB377303A
Cited
FR777245A
Cited
US2141492A
Cited
US2346220A
Cited
US2429245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |