Patent US2643150A successfully refreshed from Google Patents.
US2643150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping ring closure
Assignee: Individual
•
Filing: 1948-11-04
•
Granted: 1953-06-23
•
Expires: 1968-11-04
Abstract
No abstract record available.
Inventors
- 👤 Giles Arthur Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:04
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/32; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2143; Y10T24/2153; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/216
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US944376A
Cited
FR621163A
Cited
FR671146A
Cited
US2011044A
Cited
US2082881A
Cited
US2382858A
Cited
US2304539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |