Patent US1955691A successfully refreshed from Google Patents.
US2748802A
Expired / Lapsed
US
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Valve construction
Assignee: Creamery Package Manufacturing Co
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Filing: 1953-07-24
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Granted: 1956-06-05
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Expires: 1973-07-24
Abstract
No abstract record available.
Inventors
- 👤 Rodney L Hanson
- 👤 Jr Horace L Mitten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:52
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/08; F16K13/10; A; A01; A01J; A01J11/00; A01J11/16; B; B01; B01F; B01F25/00; B01F25/40; B01F25/44; B01F25/441; B01F25/4412; B01F25/44121; B01F25/442; B01F25/4422; B01F25/45; B01F25/452; B01F25/4523; B01F25/45231; B01F2215/00; B01F2215/04; B01F2215/0413; B01F2215/0418; B01F2215/0431; B01F2215/0436; B01F2215/0468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |