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Patent US3445448A successfully refreshed from Google Patents.
US3445448A
Expired / Lapsed
US
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Methods for producing glues and/or gelatins and protein and phosphate rich residues
Assignee: Theobald Ind
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Filing: 1967-04-14
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Granted: 1969-05-20
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Mccann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
C; C09; C09H; C09H3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US307754A
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US518861A
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US783784A
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US757658A
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US721852A
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US2743265A
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US3108995A
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US3308113A
Cited
US3398677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |