Patent US2814487A successfully refreshed from Google Patents.
US2814487A
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Pneumatic web guide
Assignee: Askania Regulator Co
•
Filing: 1954-03-04
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Granted: 1957-11-26
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Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Russell J Medkeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:29
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/005; B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0212; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2164; Y10T137/2169; Y10T137/2278; Y10T137/2322; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858436A
Cited
US2104627A
Cited
US2303533A
Cited
US2552189A
Cited
US2539131A
Cited
US2641416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |