US2319939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for exhaust pipes
Assignee: POLLAK Manufacturing Co
•
Filing: 1942-07-10
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Granted: 1943-05-25
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Expires: 1962-07-10
Abstract
No abstract record available.
Inventors
- 👤 Roscoe I Markey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F16; F16L; F16L27/00; F16L27/02; F16L27/04
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) | 1946-05-24 | 1946-11-23 | 1947-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-24 | 1950-11-23 | 1951-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-24 | 1954-11-23 | 1955-05-25 | $7700.00 | Window Closed / Lapsed |