Patent US3416192A successfully refreshed from Google Patents.
US3416192A
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US
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Treating materials
Assignee: Bird Machine Co Inc
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Filing: 1966-10-14
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Granted: 1968-12-17
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Packard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:19
CPC Classifications
D; D06; D06C; D06C21/00; B; B31; B31F; B31F1/00; B31F1/12; B31F1/14; B31F1/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1782767A
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US2494334A
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US2479804A
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US2788841A
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US2765492A
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US3019746A
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US3220056A
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US3112527A
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US3195183A
Cited
US3260778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |