US2503071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manifold
Assignee: Studebaker Corp
•
Filing: 1946-04-18
•
Granted: 1950-04-04
•
Expires: 1966-04-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Scherger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:14
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392
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) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |