US2329935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Union
Assignee: DJ Murray Manufacturing Co
•
Filing: 1941-09-25
•
Granted: 1943-09-21
•
Expires: 1961-09-25
Abstract
No abstract record available.
Inventors
- 👤 John B Nowak
- 👤 Everett A Preston
- 👤 John W Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:04
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/08; F28; F28F; F28F9/00; F28F9/26; F28F9/262; F28F9/264; Y; Y10; Y10S; Y10S285/00; Y10S285/906
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) | 1946-09-20 | 1947-03-22 | 1947-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-20 | 1951-03-22 | 1951-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-20 | 1955-03-22 | 1955-09-21 | $7700.00 | Window Closed / Lapsed |