US3138335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying concrete to surfaces
Assignee: Steam-Cote Corp
•
Filing: 1961-02-23
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Granted: 1964-06-23
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Vessels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:21
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/02; B28B21/00; B28B21/42; B28B21/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN APPARATUS FOR APPLYING MOBILE AND ADHERENT MIXTURES TO A SURFACE, COMPRISING: PROPELLING MEANS FOR DEFINING A PASSAGEWAY HAVING TRAVELLING SIDE WALLS, AND HAVING AN ENTRANCE END AND A DISCHARGE END; MEANS FOR INTRODUCING A COHERENT INTERCONNECTED MASS OF FIBROUS MATERIAL INTO THE ENTRANCE END OF SAID PROPELLING MEANS; AND MEANS FOR ALSO INTRODUCING A JET OF A GAS-LIQUID MIXTURE INTO THE ENTRANCE END OF SAID PROPELLING MEANS AT SUFFICIENT VELOCITY TO SHRED SAID FIBROUS MATERIAL AND INTERMIX THEREWITH WHEREBY SAID INTERMIXED FIBROUS MATERIAL AND GAS-LIQUID MIXTURE IS DISCHARGED FROM SAID PROPELLING MEANS AT HIGH VELOCITY.
Claim 2
Independent Claim
96 words
AN APPARATUS FOR APPLYING MOBILE AND ADHERENT MIXTURES TO A SURFACE, COMPRISING: PROPELLING MEANS FOR DEFINING A PASSAGEWAY HAVING TRAVELLING SIDE WALLS, AND HAVING AN ENTRANCE END AND A DISCHARGE END; MEANS FOR INTRODUCING A COHERENT INTERCONNECTED MASS OF FIBROUS MATERIAL INTO THE ENTRANCE END OF SAID PROPELLING MEANS; AND MEANS FOR ALSO INTRODUCING A JET OF A GAS-LIQUID MIXTURE INTO THE ENTRANCE END OF SAID PROPELLING MEANS AT SUFFICIENT VELOCITY TO SHRED SAID FIBROUS MATERIAL AND INTERMIX THEREWITH WHEREBY SAID INTERMIXED FIBROUS MATERIAL AND GAS-LIQUID MIXTURE IS DISCHARGED FROM SAID PROPELLING MEANS AT HIGH VELOCITY.
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |