Patent US3472111A successfully refreshed from Google Patents.
US3472111A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1967-02-09
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Granted: 1969-10-14
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Expires: 1987-02-09
Abstract
No abstract record available.
Inventors
- 👤 Teizo Ono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/063; F16B13/066; F16B13/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US741983A
Cited
US831464A
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US950492A
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US1053682A
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US1033447A
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US1349437A
Cited
US1603292A
Cited
US2241343A
Cited
US2525198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |