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US3521722A
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Assignee: RAUL R V DIMONTE
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Filing: 1967-07-17
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Granted: 1970-07-28
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Expires: 1987-07-17
Abstract
No abstract record available.
Inventors
- 👤 Raul R V Dimonte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:56
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/045; A61G5/10; A61G5/1005; A61G5/1021; A61G5/1027; A61G5/1051; B; B60; B60K; B60K1/00; B60L; B60L15/00; B60L15/20; B60L15/2036; B60L50/00; B60L50/50; B60L50/52; A61G2203/00; A61G2203/10; A61G2203/14; A61G5/1056; A61G5/1067; A61G5/12; B60L2200/00; B60L2200/34; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE355151C
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US653855A
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US834007A
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US1504263A
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US1540170A
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US1562903A
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DE749703C
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US2386186A
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US2586273A
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US2753947A
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US3036652A
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US2859797A
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US3351148A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |