Patent US3448203A successfully refreshed from Google Patents.
US3448203A
Expired / Lapsed
US
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Electrical system,equipment for forming same,and method of installation
Assignee: Individual
•
Filing: 1967-03-28
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Granted: 1969-06-03
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Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Somes Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:02
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/53; Y10T29/53126; Y10T29/5313; Y10T29/532
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158656A
Cited
US2585043A
Cited
US2968782A
Cited
US2969438A
Cited
US2953626A
Cited
US3181102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |