US2990087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating textiles on a form
Assignee: DYOTHERM Corp
•
Filing: 1956-10-17
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Granted: 1961-06-27
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Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 Harry E Brewin
- 👤 Grant H Brewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:22
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0004; D06P1/0008; D06B; D06B5/00; D06B5/12; D06B5/24; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M23/00; D06M23/14; D06P1/44; D06P1/60; D06P1/613; D06P1/64; D06P1/642; D06P1/647; D06P1/651; D06P1/65106; D06P1/65125; D06P7/00; D06B23/00; D06B23/04; D06C; D06C5/00; D06C5/005; Y; Y10; Y10S; Y10S8/00; Y10S8/21
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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |