Patent FR71623E successfully refreshed from Google Patents.
Patent US2978805A successfully refreshed from Google Patents.
US2978805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for handling and joining strip material
Assignee: United Engineering and Foundry Co
•
Filing: 1955-11-14
•
Granted: 1961-04-11
•
Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph I Greenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:55
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/06; B23K11/061; B21; B21C; B21C47/00; B21C47/24; B21C47/247; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; B21B; B21B15/00; B21B15/0085; Y; Y10; Y10T; Y10T29/00; Y10T29/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1936314A
Cited
US2035682A
Cited
US2203151A
Cited
US2221468A
Cited
US2369830A
Cited
US2489324A
Cited
US2547544A
Cited
US2724426A
Cited
US2782488A
Cited
US2787465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |