US1198643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydropneumatic device.
Assignee: WESTINGHOUSE AIR SPRING Co
•
Filing: 1916-02-12
•
Granted: 1916-09-19
•
Expires: 1936-02-12
Abstract
No abstract record available.
Inventors
- 👤 Richard Liebau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; Y; Y10; Y10S; Y10S267/00; Y10S267/02
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) | 1919-09-19 | 1920-03-20 | 1920-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-09-19 | 1924-03-20 | 1924-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-09-19 | 1928-03-20 | 1928-09-19 | $7700.00 | Window Closed / Lapsed |