Patent US2565108A successfully refreshed from Google Patents.
US2565108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring device
Assignee: Individual
•
Filing: 1945-12-29
•
Granted: 1951-08-21
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Victor F Zahodiakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/02; F16F1/32; F16F1/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44925A
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US377125A
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US485553A
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US1171722A
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DE420943C
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US1826597A
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US1952895A
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CH161910A
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US2281955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |