US2537918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core assembly machine
Assignee: Individual
•
Filing: 1947-04-28
•
Granted: 1951-01-09
•
Expires: 1967-04-28
Abstract
No abstract record available.
Inventors
- 👤 Per F Skoog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:58
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/0013; B27M3/0026; B27M3/0053; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US794874A
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US794873A
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US1693606A
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US2135763A
Cited
GB506780A
Cited
US2409777A
Cited
US2344488A
Cited
US2366588A
Cited
US2408064A
Cited
US2378244A
Cited
US2453185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |