US2834383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder filling machine
Assignee: Delamere and Williams Co Ltd
•
Filing: 1952-12-17
•
Granted: 1958-05-13
•
Expires: 1972-12-17
Abstract
No abstract record available.
Inventors
- 👤 Victor G Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:05
CPC Classifications
F; F42; F42B; F42B33/00; F42B33/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US668906A
Cited
US1282609A
Cited
US1943013A
Cited
US2150913A
Cited
US2331587A
Cited
US2388250A
Cited
US2345552A
Cited
US2356281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |