Patent US1109146A successfully refreshed from Google Patents.
US1109146A
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US
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Pneumatic vehicle-spring.
Assignee: CHARLES W CHISHOLM
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Filing: 1907-11-05
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Granted: 1914-09-01
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Expires: 1927-11-05
Abstract
No abstract record available.
Inventors
- 👤 Ross M G Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:59
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/46; B60G11/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1917-08-31 | 1918-03-02 | 1918-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-08-31 | 1922-03-02 | 1922-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-08-31 | 1926-03-02 | 1926-09-01 | $7700.00 | Window Closed / Lapsed |