US3523156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical service center having an improved moisture barrier
Assignee: Individual
•
Filing: 1968-09-18
•
Granted: 1970-08-04
•
Expires: 1988-09-18
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Phillips Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:08
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/088; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA546309A
Cited
US965684A
Cited
GB724596A
Cited
DE964695C
Cited
US2953625A
Cited
US3164668A
Cited
US3435124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |