US2573588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-01-21
•
Granted: 1951-10-30
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Miller Edwin August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:19
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/18872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2170748A
Cited
US2135864A
Cited
US2189996A
Cited
US2417169A
Cited
US2486033A
Cited
US2429813A
Cited
US2486061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |