US2693955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control unit for stock feed
Assignee: Individual
•
Filing: 1949-03-12
•
Granted: 1954-11-09
•
Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Maust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:26
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1515; Y10T74/1516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1851753A
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US1858403A
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US2006040A
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US2096073A
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US2168284A
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US2262915A
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US2250677A
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US2330955A
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US2315446A
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US2458544A
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US2451833A
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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) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |