Patent US1077472A successfully refreshed from Google Patents.
US1077472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic spring.
Assignee: Individual
•
Filing: 1912-07-18
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Granted: 1913-11-04
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Expires: 1932-07-18
Abstract
No abstract record available.
Inventors
- 👤 Josef Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/27; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/126; B60G2204/40; B60G2204/416; B60G2204/422
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) | 1916-11-03 | 1917-05-05 | 1917-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-11-03 | 1921-05-05 | 1921-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-11-03 | 1925-05-05 | 1925-11-04 | $7700.00 | Window Closed / Lapsed |