US2854895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing air from the stock distribution system of a paper making machine
Assignee: Rice Barton Corp
•
Filing: 1956-02-08
•
Granted: 1958-10-07
•
Expires: 1976-02-08
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Cirrito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:32
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2728271A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |