US2831339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for mounting antenna mast or the like
Assignee: Individual
•
Filing: 1953-09-14
•
Granted: 1958-04-22
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 David E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:23
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/32; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693213A
Cited
US911877A
Cited
US1720322A
Cited
US1691864A
Cited
US2482575A
Cited
US2530740A
Cited
US2650787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |