US2565400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for severing sections from compressible materials
Assignee: Johns Manville Corp
•
Filing: 1946-08-07
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Granted: 1951-08-21
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Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 Donald H Skeoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:47
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C08; C08K; C08K13/00; C08K13/02; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/502624; Y10T83/00; Y10T83/02; Y10T83/0259; Y10T83/343; Y10T83/869; Y10T83/8752; Y10T83/8758; Y10T83/887
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384435A
Cited
US1839383A
Cited
US1955004A
Cited
US1955395A
Cited
US2031472A
Cited
US2304793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |