US2506166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engraving machine
Assignee: SPX Technologies Inc
•
Filing: 1946-06-24
•
Granted: 1950-05-02
•
Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
- 👤 Holly M Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/006; B44B3/001; B44B2700/00; B44B2700/02; B44B2700/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US790328A
Cited
US889386A
Cited
US1463505A
Cited
US1628751A
Cited
US1617632A
Cited
US1770457A
Cited
US2019072A
Cited
US2073111A
Cited
US2293100A
Cited
GB557767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |