US1039537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic cushion.
Assignee: Individual
•
Filing: 1911-09-06
•
Granted: 1912-09-24
•
Expires: 1931-09-06
Abstract
No abstract record available.
Inventors
- 👤 Josef Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:12
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/05; B; B60; B60G; B60G2202/00; B60G2202/30; B60G2202/31; B60G2202/314
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) | 1915-09-24 | 1916-03-25 | 1916-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-24 | 1920-03-25 | 1920-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-24 | 1924-03-25 | 1924-09-24 | $7700.00 | Window Closed / Lapsed |