US2857927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: Creamery Package Manufacturing Co
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Filing: 1954-08-18
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Granted: 1958-10-28
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Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Harvey S Pardee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:02
CPC Classifications
A; A01; A01J; A01J11/00; A01J11/16; B; B01; B01F; B01F25/00; B01F25/40; B01F25/44; B01F25/442; B01F25/4422; B01F25/441; B01F25/4412; B01F25/44121; B01F25/45; B01F25/452; B01F25/4523; B01F25/45231; B01F2215/00; B01F2215/04; B01F2215/0413; B01F2215/0418; B01F2215/0431; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |