Patent US2345014A successfully refreshed from Google Patents.
US2345014A
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US
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Assignee: STAMSVIK Manufacturing CORP
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Filing: 1941-10-20
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Granted: 1944-03-28
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Expires: 1961-10-20
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Stamsvik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/22; B01D25/26; B01D24/00; B01D24/02; B01D24/04; B01D24/045; B01D24/047; B01D24/46; B01D24/4631; B01D2201/00; B01D2201/04; B01D2201/0415
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-28 | 1947-09-27 | 1948-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-28 | 1951-09-27 | 1952-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-28 | 1955-09-27 | 1956-03-28 | $7700.00 | Window Closed / Lapsed |