US2797918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for speed and strip tracking control
Assignee: Wean Engineering Co Inc
•
Filing: 1955-01-03
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Granted: 1957-07-02
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Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Donald A Mcarthur
- 👤 Albert R Geiszler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:36
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0404; H; H02; H02P; H02P5/00; H02P5/46; H02P5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1561265A
Cited
US1553626A
Cited
US1563452A
Cited
US2165127A
Cited
GB506398A
Cited
US2599517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |