US2152045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body operated switch apparatus for timing x-ray exposures
Assignee: Individual
•
Filing: 1938-03-28
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Granted: 1939-03-28
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Expires: 1958-03-28
Abstract
No abstract record available.
Inventors
- 👤 Gulland Frank Mercer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:18
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/54; A61B6/541; H; H05; H05G; H05G1/00; H05G1/08; H05G1/62; Y; Y10; Y10S; Y10S200/00; Y10S200/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-03-27 | 1942-09-26 | 1943-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-27 | 1946-09-26 | 1947-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-27 | 1950-09-26 | 1951-03-28 | $7700.00 | Window Closed / Lapsed |