Patent US3359559A successfully refreshed from Google Patents.
US3359559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse-type telescoping antenna
Assignee: Avco Corp
•
Filing: 1963-11-29
•
Granted: 1967-12-19
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 William M Guinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/10; H01Q1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A VEHICULAR RADIO ANTENNA, THE COMBINATION OF: A BASE; A FIRST TUBULAR SECTION RIGIDLY SECURED TO SAID BASE; A PLURALITY OF TUBULAR SECTIONS OF SUCCESSIVELY SMALLER DIAMETERS NESTED WITHIN SAID FIRST TUBULAR SECTION AND AXIALLY MOVABLE WITH RESPECT THERETO; A FIRST SOURCE OF MOTIVE POWER FOR PROPELLING ALL OF SAID MOVABLE SECTIONS UPWARDLY; MEANS FOR RELEASABLY LOCKING THE LOWER END OF EACH MOVABLE SECTION WITH THE UPPER END OF THE SECTION OF NEXT LARGER DIAMETER WHEN THE SECTIONS ARE PROPELLED UPWARDLY; AND A SECOND SOURCE OF MOTIVE POWER FOR DISENGAGING THE MATED ENDS OF SAID SECTIONS AND PROPELLING SAID MOVABLE SECTIONS DOWNWARDLY.
Claim 2
Dependent Claim
103 words
IN A VEHICULAR RADIO ANTENNA, THE COMBINATION OF: A BASE; A FIRST TUBULAR SECTION RIGIDLY SECURED TO SAID BASE; A PLURALITY OF TUBULAR SECTIONS OF SUCCESSIVELY SMALLER DIAMETERS NESTED WITHIN SAID FIRST TUBULAR SECTION AND AXIALLY MOVABLE WITH RESPECT THERETO; A FIRST SOURCE OF MOTIVE POWER FOR PROPELLING ALL OF SAID MOVABLE SECTIONS UPWARDLY; MEANS FOR RELEASABLY LOCKING THE LOWER END OF EACH MOVABLE SECTION WITH THE UPPER END OF THE SECTION OF NEXT LARGER DIAMETER WHEN THE SECTIONS ARE PROPELLED UPWARDLY; AND A SECOND SOURCE OF MOTIVE POWER FOR DISENGAGING THE MATED ENDS OF SAID SECTIONS AND PROPELLING SAID MOVABLE SECTIONS DOWNWARDLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |