US2345547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank valve assembly
Assignee: PESCO PRODUCTS CO
•
Filing: 1942-02-09
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Granted: 1944-03-28
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Expires: 1962-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jay M Roth
- 👤 Edmund F Wichorek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/10; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/2012; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7777; Y10T137/7781; Y10T137/7837; Y10T137/7897
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 |