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US3033554A
Expired / Lapsed
US
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Vacuum spring with disabling control
Assignee: Motors Liquidation Co
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Filing: 1960-09-26
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Granted: 1962-05-08
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Philip L Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:27
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G11/00; B60G11/32; B60G11/48; B60G11/56; B60G11/58; Y; Y10; Y10S; Y10S267/00; Y10S267/01
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |