US2584134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-03-08
•
Granted: 1952-02-05
•
Expires: 1968-03-08
Abstract
No abstract record available.
Inventors
- 👤 Gothard H Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05D15/242; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/67; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10S; Y10S16/00; Y10S16/20; Y10S254/00; Y10S254/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1050584A
Cited
US1111823A
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US1281934A
Cited
US1936300A
Cited
US2142562A
Cited
US2166746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |