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Patent US3493209A successfully refreshed from Google Patents.
US3493209A
Expired / Lapsed
US
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Stabilizing jack base
Assignee: Stromberg Carlson Products Inc
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Filing: 1967-10-30
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Granted: 1970-02-03
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Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert C Brammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:26
CPC Classifications
B; B66; B66F; B66F13/00; Y; Y10; Y10S; Y10S254/00; Y10S254/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US483487A
Cited
US1507625A
Cited
US1794052A
Cited
US1894293A
Cited
US3232584A
Cited
US3329402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |