Patent EP0094843A1 successfully refreshed from Google Patents.
Patent US3033978A successfully refreshed from Google Patents.
US3124276A
Expired / Lapsed
US
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M grout
Assignee: National Oilwell Varco LP
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:46
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/28; B65D83/30; B65D83/306; B65D2583/00; B65D2583/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
APPARATUS FOR DISPENSING A VISCID MATERIAL, SUCH AS AN EPOXY RESIN, THE DISPENSING APPRATUS COMPRISING: A HOLLOW HOUSING ADAPTED TO BE INTERNALLY PRESSURIZED; A NOZZLE BODY HAVING IN TI A DISPENSING VALVE; A CARTRIDGE FOR CONTAINING THE MATERIAL TO BE DISPENSED, THE CARTRIDGE BEING IMPERMEABLE TO THE CONTAINED MATERIAL AND HAVING A FLANGED END TERMINATED IN A NECK HAVING A CENTRAL PORT PERMITTING EFFLUX OF THE MATERIAL IN THE CARTRIDGE; THE HOUSING AND NOZZLE BODY HAVING COOPERATING MEANS REMOVABLY SECURING THE DISPENSING VALVE TO THE HOUSING WITH THE FLANGE OF THE CARTRIDGE CLAMPED BETWEEN THE HOUSING AND THE NOZZLE BODY FORM TO A PRESSURE TIGHT SEAL AND THE MAJOR PORTION OF THE CARTRIDGE BEING WITHIN THE HOUSING; THE NECK OF THE CARTRIDGE FITTING CLOSELY ADJACENT TO THE NOZZLE BODY WHEREBY MATERIAL ISSUES FROM THE CARTRIDGE DIRECTLY INTO THE DISPENSING VALVE; A CHECK VALVE SECURED TO THE HOUSING, THE CHECK VALVE WHEN UNSEATED PERMITTING THE INTERIOR OF THE HOUSING TO BE PRESSURED; AND THE OTHER END OF THE CARTRIDGE BEING PERMEABLE TO THE PRESSURIZED MEDIUM IN THE HOUSING.
Claim 2
Dependent Claim
177 words
APPARATUS FOR DISPENSING A VISCID MATERIAL, SUCH AS AN EPOXY RESIN, THE DISPENSING APPRATUS COMPRISING: A HOLLOW HOUSING ADAPTED TO BE INTERNALLY PRESSURIZED; A NOZZLE BODY HAVING IN TI A DISPENSING VALVE; A CARTRIDGE FOR CONTAINING THE MATERIAL TO BE DISPENSED, THE CARTRIDGE BEING IMPERMEABLE TO THE CONTAINED MATERIAL AND HAVING A FLANGED END TERMINATED IN A NECK HAVING A CENTRAL PORT PERMITTING EFFLUX OF THE MATERIAL IN THE CARTRIDGE; THE HOUSING AND NOZZLE BODY HAVING COOPERATING MEANS REMOVABLY SECURING THE DISPENSING VALVE TO THE HOUSING WITH THE FLANGE OF THE CARTRIDGE CLAMPED BETWEEN THE HOUSING AND THE NOZZLE BODY FORM TO A PRESSURE TIGHT SEAL AND THE MAJOR PORTION OF THE CARTRIDGE BEING WITHIN THE HOUSING; THE NECK OF THE CARTRIDGE FITTING CLOSELY ADJACENT TO THE NOZZLE BODY WHEREBY MATERIAL ISSUES FROM THE CARTRIDGE DIRECTLY INTO THE DISPENSING VALVE; A CHECK VALVE SECURED TO THE HOUSING, THE CHECK VALVE WHEN UNSEATED PERMITTING THE INTERIOR OF THE HOUSING TO BE PRESSURED; AND THE OTHER END OF THE CARTRIDGE BEING PERMEABLE TO THE PRESSURIZED MEDIUM IN THE HOUSING.
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |