Patent US3227436A successfully refreshed from Google Patents.
US3227436A
Expired / Lapsed
US
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Auxiliary spring construction
Assignee: Individual
•
Filing: 1962-08-02
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Granted: 1966-01-04
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Expires: 1982-08-02
Abstract
No abstract record available.
Inventors
- 👤 Angelo F Paioletti
- 👤 Edwin E Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:52
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2650817A
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US2656181A
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US2884241A
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US2861798A
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US2798736A
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US2954970A
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US2928669A
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US2973196A
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US2951696A
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US3039759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |