US3505221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric softener
Assignee: Armour Industrial Chemical Co
•
Filing: 1967-06-09
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Granted: 1970-04-07
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Expires: 1987-06-09
Abstract
No abstract record available.
Inventors
- 👤 Milton M Waldman
- 👤 Andrea E Mariahazy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:59
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; C; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D3/00; C11D3/0005; C11D3/001; D06M13/46; D06M13/463; D06M2200/00; D06M2200/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |