US2739999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service entrance head
Assignee: J A WEAVER Co
•
Filing: 1952-08-13
•
Granted: 1956-03-27
•
Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 William L Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:48
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18773E
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US1069820A
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US1284291A
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US1327409A
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US1888645A
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US1822879A
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US1839945A
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US2423350A
Cited
US2490253A
Cited
US2648721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |