US2978158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed apparatus
Assignee: Herr Equipment Corp
•
Filing: 1955-10-24
•
Granted: 1961-04-04
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Richard F Herr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:32
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US216032A
Cited
US891077A
Cited
US2045046A
Cited
US2124267A
Cited
US2206745A
Cited
US2282945A
Cited
US2622874A
Cited
US2665905A
Cited
US2628835A
Cited
US2634974A
Cited
US2819070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |