US2554639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closures
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1948-11-01
•
Granted: 1951-05-29
•
Expires: 1968-11-01
Abstract
No abstract record available.
Inventors
- 👤 Victor A Ryan
- 👤 William C Kesler
- 👤 Jr Charles W Pimper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/10; B65D41/12; Y; Y10; Y10S; Y10S493/00; Y10S493/962; Y10T; Y10T428/00; Y10T428/21; Y10T428/214; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31855; Y10T428/31859; Y10T428/31862; Y10T428/31866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1730849A
Cited
US1732958A
Cited
US2139572A
Cited
US2234457A
Cited
US2325302A
Cited
US2291079A
Cited
US2414833A
Cited
US2394289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |