US2932428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slug feeder
Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1957-11-07
•
Granted: 1960-04-12
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Robert S Mcgranahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:49
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US519671A
Cited
US849655A
Cited
US1298389A
Cited
US1512571A
Cited
DE461967C
Cited
US1731834A
Cited
GB385345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |