US2811267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism control system
Assignee: Magnaflux Corp
•
Filing: 1952-02-14
•
Granted: 1957-10-29
•
Expires: 1972-02-14
Abstract
No abstract record available.
Inventors
- 👤 Walter E Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:01
CPC Classifications
B; B25; B25J; B25J9/00; B25J9/02; B25J9/04; B25J9/041; B21; B21J; B21J13/00; B21J13/08; B25J9/10; B25J9/109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043640A
Cited
US1884861A
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US1834499A
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US1933226A
Cited
US1985563A
Cited
US2303040A
Cited
US2412845A
Cited
US2609106A
Cited
US2609954A
Cited
US2696918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |