US2779490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding apparatus
Assignee: Rockwell Spring and Axle Co
•
Filing: 1955-01-31
•
Granted: 1957-01-29
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 William B Clarke
- 👤 Howard L Hunter
- 👤 Rocks Mckees
- 👤 Santucci Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:18
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B23; B23Q; B23Q7/00; B23Q7/04; B23Q2707/00; B23Q2707/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439925A
Cited
US1206252A
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US1842912A
Cited
US2016710A
Cited
US1864322A
Cited
US2003364A
Cited
US2049850A
Cited
US2381571A
Cited
US2437994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |