US2547996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable x-ray unit
Assignee: Individual
•
Filing: 1948-06-09
•
Granted: 1951-04-10
•
Expires: 1968-06-09
Abstract
No abstract record available.
Inventors
- 👤 Cormack E Boucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:30
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/02; H05G1/04; H05G1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE199292C
Cited
US2036096A
Cited
US1987790A
Cited
US2086045A
Cited
US1979997A
Cited
US2307612A
Cited
US2360036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |