US3420696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldehyde fixation on polymeric material
Assignee: Westpoint Pepperell Inc
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Filing: 1965-04-26
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Granted: 1969-01-07
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 James F Cotton
- 👤 Maurice E Heard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/59; C; C08; C08B; C08B31/00; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31953; Y10T442/00; Y10T442/20; Y10T442/2369
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |