US3275040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outlet construction for concrete pipe and method of making same
Assignee: American Pipe and Construction Co
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Filing: 1963-05-27
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Granted: 1966-09-27
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Delbert A Hausmann
- 👤 Alfred B Szulc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:06
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/56; B28B21/60; F; F16; F16L; F16L41/00; F16L41/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN OUTLET CONSTRCUTION FOR A CONCRETE PIPE HAVING A CONCRETE CORE BODY AND WRAPPINGS THEREAROUND OF HIGH TENSILE WIRES UNDER TENSION, AN OUTLET SLEEVE IN THE CORE BODY PROVIDING AN OUTLET OPENING THERETHROUGH, A SADDLE PLATE OVERLYING THE WIRES IN A REGION ABOUT SAID OPENING AND HAVING AN OPEN AREA ENCOMPASSING THE OPENING IN THE PIPE CORE BODY, AND MEANS COOPERATIVELY ASSOCIATED WITH THE SADDLE PLATE SECURING THE INDIVIDUAL TURNS OF WIRES IN
Claim 2
Dependent Claim
74 words
IN AN OUTLET CONSTRCUTION FOR A CONCRETE PIPE HAVING A CONCRETE CORE BODY AND WRAPPINGS THEREAROUND OF HIGH TENSILE WIRES UNDER TENSION, AN OUTLET SLEEVE IN THE CORE BODY PROVIDING AN OUTLET OPENING THERETHROUGH, A SADDLE PLATE OVERLYING THE WIRES IN A REGION ABOUT SAID OPENING AND HAVING AN OPEN AREA ENCOMPASSING THE OPENING IN THE PIPE CORE BODY, AND MEANS COOPERATIVELY ASSOCIATED WITH THE SADDLE PLATE SECURING THE INDIVIDUAL TURNS OF WIRES IN
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |