US3421473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street boundary post
Assignee: Individual
•
Filing: 1966-12-09
•
Granted: 1969-01-14
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Erich Weichenrieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:33
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/60; E01F9/623; E01F9/646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A STREET BOUDNARY POST COMPRISING AN UPRIGHT TUBULAR BASE MEMBER, SAID BASE MEMBER HAVING AN INTERNAL INTEGRAL CONCENTRIC GUIDE SLEEVE AT THE UPPER END THEREOF SAID SLEEVE BEING INWARDLY SPACED FROM THE INNER WALL OF SAID MEMBER, A FIRST ROD MEMBER TELESCOPICALLY RECEIVED WITHIN SIDE GUIDE SLEEVE AND EXTENDING INTO SAID BASE MEMBER, VERTICALLY SPACED FEMALE CATCH MEANS FORMED INTERNALLY IN THE INNER WALL OF SAID GUIDE SLEEVE, AND VERTICALLY SPACED COMPLEMENTARY MALE CATCH MEANS FORMED EXTERIORLY IN THE WALL OF SAID ROD MEMBER, SAID MALE CATCH MEANS RESPECTIVELY COOPERATING WITH SAID FEMALE CATCH MEANS TO SELECTIVELY MAINTAIN SAID ROD MEMBER IN AN EXTENDED POSITION AND A RETRACTED POSITION WITHIN SAID BASE MEMBER.
Claim 2
Dependent Claim
113 words
A STREET BOUDNARY POST COMPRISING AN UPRIGHT TUBULAR BASE MEMBER, SAID BASE MEMBER HAVING AN INTERNAL INTEGRAL CONCENTRIC GUIDE SLEEVE AT THE UPPER END THEREOF SAID SLEEVE BEING INWARDLY SPACED FROM THE INNER WALL OF SAID MEMBER, A FIRST ROD MEMBER TELESCOPICALLY RECEIVED WITHIN SIDE GUIDE SLEEVE AND EXTENDING INTO SAID BASE MEMBER, VERTICALLY SPACED FEMALE CATCH MEANS FORMED INTERNALLY IN THE INNER WALL OF SAID GUIDE SLEEVE, AND VERTICALLY SPACED COMPLEMENTARY MALE CATCH MEANS FORMED EXTERIORLY IN THE WALL OF SAID ROD MEMBER, SAID MALE CATCH MEANS RESPECTIVELY COOPERATING WITH SAID FEMALE CATCH MEANS TO SELECTIVELY MAINTAIN SAID ROD MEMBER IN AN EXTENDED POSITION AND A RETRACTED POSITION WITHIN SAID BASE MEMBER.
References Cited (Backward Citations)
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US859233A
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US1302190A
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US1863756A
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US3119588A
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US3317168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |