US3083433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making concrete pipe
Assignee: CONCRETE PIPE MACHINERY Co
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Filing: 1960-12-19
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Granted: 1963-04-02
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Tiller Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:37
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/22; Y; Y10; Y10S; Y10S425/00; Y10S425/218; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T74/2149
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A LIFT DEVICE FOR USE WITH A PIPE FORMING APPARATUS COMPRISING POWER MEANS HAVING A RAM IN TWO SEPARATE BUT INTERCONNECTED SECTIONS WITH LIMIT STOPS DEFINING A DEGREE OF AXIAL PLAY IN SAID SECTIONS, MEANS TO ROTATE THE UPPER OF SAID SECTIONS, A VIBRATOR CARRIED BY SAID UPPER SECTION ABOVE THE ROTATING MEANS, MEANS ON THE TOP OF SAID UPPER SECTION ASSOCIATED WITH SAID VIBRATOR AND ADAPTED TO ENGAGE A PALLET FOR ROTATION THEREOF WITH SAID UPPER SECTION, AND YIELDABLE FORCE MEANS HOLDING SAID INTERCON-
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |