US3095628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit forming machine
Assignee: Individual
•
Filing: 1957-02-15
•
Granted: 1963-07-02
•
Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Douglas N Norton
- 👤 Marion C Mckinley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:54
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/18; B28B7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A CONDUIT FORMING MACHINE COMPRISING, A FORM HAVING IN-LINE OPENINGS IN OPPOSITE ENDS THEREOF, A PLURALITY OF PACKER HEADS MOUNTED FOR ROTATIONAL AND AXIAL MOVEMENT IN SAID FORM SAID PACKER HEADS ENTERING AND LEAVING THE FORM THROUGH ONE OF SAID OPENINGS, EACH OF SAID HEADS HAVING A SLINGER SECTION AND A TROWEL SECTION WITH THE SLINGERS ARRANGED TO PRECEDE THE TROWELS IN FORMING CONDUIT AND CERTAIN OF SAID SLINGER SECTIONS BEING RADIALLY OPPOSED TO A TROWEL SECTION OF AN ADJACENT HEAD, CYLINDERICAL FOLLOWERS MOUNTED FOR ROTATIONAL AND CLOSELY GUIDED AXIAL MOVEMENT ALONG THE AXES OF ROTATIONAL AND AXISL MOVEMENT OF THE HEADS, SAID FOLLOWERS ENTERING AND LEAVING THE FORM THROUGH THE OTHER OPENING IN THE FORM AND EACH HAVING A RELEASABLE CONCENTRIC ENGAGEMENT WITH ONE OF THE HEADS, SAID FOLLOWERS BEING OF SLIGHTLY LESS DIAMETER THAN THE TROWELING SECTIONS OF THE HEADS AND
Claim 2
Dependent Claim
143 words
A CONDUIT FORMING MACHINE COMPRISING, A FORM HAVING IN-LINE OPENINGS IN OPPOSITE ENDS THEREOF, A PLURALITY OF PACKER HEADS MOUNTED FOR ROTATIONAL AND AXIAL MOVEMENT IN SAID FORM SAID PACKER HEADS ENTERING AND LEAVING THE FORM THROUGH ONE OF SAID OPENINGS, EACH OF SAID HEADS HAVING A SLINGER SECTION AND A TROWEL SECTION WITH THE SLINGERS ARRANGED TO PRECEDE THE TROWELS IN FORMING CONDUIT AND CERTAIN OF SAID SLINGER SECTIONS BEING RADIALLY OPPOSED TO A TROWEL SECTION OF AN ADJACENT HEAD, CYLINDERICAL FOLLOWERS MOUNTED FOR ROTATIONAL AND CLOSELY GUIDED AXIAL MOVEMENT ALONG THE AXES OF ROTATIONAL AND AXISL MOVEMENT OF THE HEADS, SAID FOLLOWERS ENTERING AND LEAVING THE FORM THROUGH THE OTHER OPENING IN THE FORM AND EACH HAVING A RELEASABLE CONCENTRIC ENGAGEMENT WITH ONE OF THE HEADS, SAID FOLLOWERS BEING OF SLIGHTLY LESS DIAMETER THAN THE TROWELING SECTIONS OF THE HEADS AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |