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US3533728A
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US
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Inorganic and/or organic cellulose swelling agents used in conjunction with cross-linking agents in fabric modification process
Assignee: GAGLIARDI RESEARCH CORP
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Filing: 1967-07-28
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Granted: 1970-10-13
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Expires: 1987-07-28
Abstract
No abstract record available.
Inventors
- 👤 Fred B Shippee
- 👤 Domenick Donald Gagliardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2679449A
Cited
US3007763A
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US2926063A
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US3061399A
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US3181927A
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US3046079A
Cited
US3043719A
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US3128222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |