US3322307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for supplying materials
Assignee: Individual
•
Filing: 1965-08-19
•
Granted: 1967-05-30
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Fraser Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:35
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A DEVICE FOR SUPPLYING QUANTITIES OF A FLOWABLE MATERIAL COMPRISING A SUBSTANTIALLY RIGID TUBULAR MEMBER, A COLLAPSIBLE TAPERING VOLUTE SPRING TO CONTAIN THE MATERIAL, AND MEANS FOR INJECTING MATERIAL INTO ONE END OF THE SPRING AND FOR COMPRESSING THE SPRING, SAID SPRING HAVING WALLS WHICH SLIDE INTO ONE ANOTHER SO AS TO EJECT THE MATERIAL ONLY FROM THE OTHER END OF THE SPRING.
Claim 2
Independent Claim
63 words
A DEVICE FOR SUPPLYING QUANTITIES OF A FLOWABLE MATERIAL COMPRISING A SUBSTANTIALLY RIGID TUBULAR MEMBER, A COLLAPSIBLE TAPERING VOLUTE SPRING TO CONTAIN THE MATERIAL, AND MEANS FOR INJECTING MATERIAL INTO ONE END OF THE SPRING AND FOR COMPRESSING THE SPRING, SAID SPRING HAVING WALLS WHICH SLIDE INTO ONE ANOTHER SO AS TO EJECT THE MATERIAL ONLY FROM THE OTHER END OF THE SPRING.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |