Patent US3473175A successfully refreshed from Google Patents.
US3473175A
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Process and apparatus for the controlled treatment of textiles
Assignee: American Permac Inc
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Filing: 1968-02-14
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Granted: 1969-10-21
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Expires: 1988-02-14
Abstract
No abstract record available.
Inventors
- 👤 Johannes Helmut Sieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:20
CPC Classifications
D; D06; D06B; D06B9/00; D06C; D06C7/00; D06C7/02; D06F; D06F43/00; D06F43/007; D06L; D06L1/00; D06L1/02; D06L1/06; D06M; D06M13/00; D06M13/52; D06M13/522
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |