US2858095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valving device
Assignee: Motors Liquidation Co
•
Filing: 1955-08-26
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Granted: 1958-10-28
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Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
- 👤 Edward P Harris
- 👤 Frederick W Sampson
- 👤 James R Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:01
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/04; B29C31/041; B29C44/00; B29C44/34; B29C44/36; B29C44/365; F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US902942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |