US2621807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display positioning device
Assignee: Individual
•
Filing: 1948-01-29
•
Granted: 1952-12-16
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Rendich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/001; Y; Y10; Y10S; Y10S269/00; Y10S269/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE69372C
Cited
US382402A
Cited
US1404793A
Cited
US1437744A
Cited
US1665439A
Cited
US1987480A
Cited
US2539809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |