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US2867680A
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Assignee: Individual
•
Filing: 1955-02-09
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Granted: 1959-01-06
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Henry D Stecher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:29
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/10; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5733; Y10T403/5741; Y10T403/5793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296185A
Cited
US508613A
Cited
US707055A
Cited
GB191321646A
Cited
US1650233A
Cited
US2210400A
Cited
DE810038C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |