Patent US3262175A successfully refreshed from Google Patents.
US3262175A
Expired / Lapsed
US
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Concrete pipe machine
Assignee: Hydrotile Machinery Co
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Filing: 1964-07-29
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Granted: 1966-07-26
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Expires: 1984-07-29
Abstract
No abstract record available.
Inventors
- 👤 Larry C Gourlie
- 👤 Curt M Cowell
- 👤 Thomas K Breitfuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:27
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/022; B28B21/00; B28B21/02; B28B21/10; B28B21/22; B28B21/24; B28B21/26; B28B21/56; B28B21/60; B28B21/66
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A DEVICE FOR POSITIONING A REINFORCING CAGE WITHIN AN OUTER MOLD OF A PIPE MACHINE HAVING A ROTATABLE AXIALLY MOVABLE PACKER HEAD CONCENTRIC WITH SAID OUTER MOLD, SAID DEVICE INCLUDING A PLURALITY OF EXTENSIBLE MEMBERS VERTICALLY MOVABLE WITH SAID PACKER HEAD AND POSITIONED SPACED ABOVE SAID PACKER HEAD, SAID MEMBERS BEING MOVABLE FROM EXTENDED POSITION WHEREIN THEY HOLD SAID REINFORCING CAGE SUBSTANTIALLY CO-AXIAL WITH THE PACKER HEAD TO A RETRACTED POSITION WHEREIN THEY WILL CLEAR THE INSIDE DIAMETER OF THE PIPE FORMED BY THE PACKER HEAD,
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |