US2915230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treating apparatus
Assignee: DYOTHERM Corp
•
Filing: 1955-04-05
•
Granted: 1959-12-01
•
Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Harry E Brewin
- 👤 Grant H Brewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:50
CPC Classifications
D; D06; D06B; D06B5/00; D06B5/12; D06B5/24; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1738946A
Cited
US1907429A
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US1948568A
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FR862165A
Cited
US2299040A
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US2492285A
Cited
US2519981A
Cited
US2520062A
Cited
US2484668A
Cited
GB702434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |