US2468543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box
Assignee: Molins Machine Co Ltd
•
Filing: 1945-12-19
•
Granted: 1949-04-26
•
Expires: 1965-12-19
Abstract
No abstract record available.
Inventors
- 👤 Chalmers John Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:46
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/66; B65D5/6685; B65D5/6691; Y; Y10; Y10S; Y10S229/00; Y10S229/92
Claims Analysis
Total Claims: 0
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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) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |