US2684495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable implement
Assignee: Individual
•
Filing: 1950-11-22
•
Granted: 1954-07-27
•
Expires: 1970-11-22
Abstract
No abstract record available.
Inventors
- 👤 Litkenhous Edward Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:48
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A01; A01B; A01B33/00; A01B33/06; A01D; A01D76/00; A01D76/003; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/162; A47L11/4052; A47L11/4055; A47L11/4063; A47L11/4069; A47L11/4075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US877954A
Cited
US1192830A
Cited
US1591282A
Cited
US1601087A
Cited
US2312972A
Cited
US2498796A
Cited
US2490870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |