US3550157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic tape or plate contact,having insulation selectively deposited on it for a multiposition switch
Assignee: Individual
•
Filing: 1968-07-11
•
Granted: 1970-12-22
•
Expires: 1988-07-11
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Pfleger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:48
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/001; H01H19/003; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2821880A
Cited
US1224570A
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US2287200A
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US2860199A
Cited
US2959634A
Cited
US3089923A
Cited
US3308274A
Cited
US3312847A
Cited
US3435167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |