US3605359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna mast construction
Assignee: New England Merchants National Bank
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Filing: 1968-12-12
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Granted: 1971-09-20
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Expires: 1988-12-12
Abstract
Abstract AN ANTENNA MAST INCLUDING A PLURALITY OF TUBULAR MAST SECTIONS AND A VERTICAL LAUNCH ATTACHMENT ADAPTED TO BE INSTALLED UPON THE LOWERMOST MAST SECTION. THE ATTACHMENT COMPRISES A BRACKET THROUGH WHICH THE REMAINING MAST SECTIONS ARE SEQUENTIALLY INSERTED AND LOCKED TO VER- TICALLY "LAUNCH" THE MAST TO A DESIRED HEIGHT. THESE MAST SECTIONS ARE HELD ON THE LAUNCH BRACKET.
Inventors
- 👤 Frank Bader
- 👤 Martin J Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:29
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/20; E04H12/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |