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US2805854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring systems
Assignee: Individual
•
Filing: 1953-07-03
•
Granted: 1957-09-10
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Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Gaebler Gustav Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:55
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/0416; B60G17/0424; B60G17/002; F; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/52; Y; Y10; Y10S; Y10S267/00; Y10S267/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |