US3205550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe forming machine
Assignee: Individual
•
Filing: 1963-06-18
•
Granted: 1965-09-14
•
Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Floyd E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:18
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PIPE FORMING MACHINE FOR USE IN A DITCH HAVING SIDE WALLS AND A BOTTOM COMPRISING AN ELONGATED TUBE, MEANS FOR HOLDING SAID TUBE AS A LONGITUDINALLY RIGID SUPPORTING BEAM OF PREDETERMINED CONTOUR, MEANS ENGAGING SAID BOTTOM AND SAID TUBE FOR HOLDING SAID TUBE IN A PREDETERMINED POSITION IN SAID DITCH INDEPENDENTLY OF THE POSITION OF SAID BOTTOM AND SAID WALLS, A CONCRETE
Claim 2
Dependent Claim
63 words
A PIPE FORMING MACHINE FOR USE IN A DITCH HAVING SIDE WALLS AND A BOTTOM COMPRISING AN ELONGATED TUBE, MEANS FOR HOLDING SAID TUBE AS A LONGITUDINALLY RIGID SUPPORTING BEAM OF PREDETERMINED CONTOUR, MEANS ENGAGING SAID BOTTOM AND SAID TUBE FOR HOLDING SAID TUBE IN A PREDETERMINED POSITION IN SAID DITCH INDEPENDENTLY OF THE POSITION OF SAID BOTTOM AND SAID WALLS, A CONCRETE
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |