US2849526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine cable
Assignee: Individual
•
Filing: 1952-08-12
•
Granted: 1958-08-26
•
Expires: 1972-08-12
Abstract
No abstract record available.
Inventors
- 👤 Brockbank Robert Alston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327487A
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US327489A
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US896700A
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US1489102A
Cited
US1626776A
Cited
US1821887A
Cited
GB340261A
Cited
US2316293A
Cited
US2589507A
Cited
US2711439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |