US2750828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Le roy j
Assignee: —
•
Filing: —
•
Granted: 1956-06-19
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/12; B25B13/00; B25B13/02; B25B13/06; Y; Y10; Y10S; Y10S279/00; Y10S279/904; Y10S403/00; Y10S403/01; Y10S7/00; Y10S7/901; Y10T; Y10T279/00; Y10T279/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE340443C
Cited
USRE24066E
Cited
US1927844A
Cited
US2260055A
Cited
US2718806A
Cited
US2624223A
Cited
US2677294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |