US2694804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning device
Assignee: Giddings and Lewis LLC
•
Filing: 1952-05-22
•
Granted: 1954-11-16
•
Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer K Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:23
CPC Classifications
H; H01; H01J; H01J40/00; H01J40/02; H01J40/14; B; B23; B23Q; B23Q17/00; B23Q17/22; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304648; Y10T409/30476
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2416968A
Cited
US1794340A
Cited
US2289551A
Cited
US2406299A
Cited
US2375665A
Cited
US2451572A
Cited
US2488269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |