US867570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic suspension means.
Assignee: FRANK M THOMPSON
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Filing: 1906-05-18
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Granted: 1907-10-08
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Expires: 1926-05-18
Abstract
No abstract record available.
Inventors
- 👤 James H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:55
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60
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) | 1910-10-07 | 1911-04-08 | 1911-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-07 | 1915-04-08 | 1915-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-07 | 1919-04-08 | 1919-10-08 | $7700.00 | Window Closed / Lapsed |