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US2638634A
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Stretch breaking apparatus and method
Assignee: Milliken Research Corp
•
Filing: 1947-06-20
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Granted: 1953-05-19
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Expires: 1967-06-20
Abstract
No abstract record available.
Inventors
- 👤 Donald G C Hare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:06
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01G1/08; D01G1/081; D01G1/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1007137A
Cited
US2017455A
Cited
US2003400A
Cited
US2191296A
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US2432355A
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US2437735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |