US2622874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent reciprocatory feeding apparatus
Assignee: Individual
•
Filing: 1948-08-21
•
Granted: 1952-12-23
•
Expires: 1968-08-21
Abstract
No abstract record available.
Inventors
- 👤 Haller John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:54
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096073A
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US2166423A
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US2347261A
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US2367248A
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US2301028A
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US2354860A
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US2379002A
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US2428493A
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US2406508A
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US2409968A
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US2470252A
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US2467740A
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |