US2845887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock seam unrolling machine
Assignee: Individual
•
Filing: 1955-04-15
•
Granted: 1958-08-05
•
Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Edward C Kradoska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:01
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/046; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319394A
Cited
US1319395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |