US2590420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1946-09-23
•
Granted: 1952-03-25
•
Expires: 1966-09-23
Abstract
No abstract record available.
Inventors
- 👤 Lagher Gunnar Hjalmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:30
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23B29/03414; B23B29/03432; B23B29/03435; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T408/00; Y10T408/21; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8598; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE434183C
Cited
US1249642A
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US1788793A
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US2093743A
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US2209867A
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US2465735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |