Patent US2548934A successfully refreshed from Google Patents.
US2548934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure device
Assignee: JB Beaird Co Inc
•
Filing: 1946-01-12
•
Granted: 1951-04-17
•
Expires: 1966-01-12
Abstract
No abstract record available.
Inventors
- 👤 Beaird James Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:57
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/06; F16J13/065; F16L; F16L55/00; F16L55/10; F16L55/115; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/214
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2049847A
Cited
US643908A
Cited
US669673A
Cited
US858463A
Cited
US1571343A
Cited
US2115361A
Cited
US2441131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |