US3434161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile fabric treatment
Assignee: Research Corp
•
Filing: 1965-10-05
•
Granted: 1969-03-25
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 William K Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:17
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; D06M14/20; D06M14/22; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2264229A
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US2837511A
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US3001922A
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US2959569A
Cited
US3206273A
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US3254940A
Cited
US3256166A
Cited
US3298979A
Cited
US3254939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |