Patent US2468898A successfully refreshed from Google Patents.
US2468898A
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US
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Assignee: Individual
•
Filing: 1945-10-31
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Granted: 1949-05-03
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Expires: 1965-10-31
Abstract
No abstract record available.
Inventors
- 👤 Lester H Shingle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:01
CPC Classifications
F; F16; F16G; F16G1/00; F16G1/02; F16G3/00; F16G3/02; F16G3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336990A
Cited
GB189518351A
Cited
US733393A
Cited
US1192362A
Cited
US1412309A
Cited
GB521117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |