US3543384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of collimator fabrication
Assignee: Philips Nuclear Medicine Inc
•
Filing: 1966-11-14
•
Granted: 1970-12-01
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Carl W Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:12
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/02; G21K1/025; A; A61; A61B; A61B1/00; A61B1/04; G01; G01T; G01T1/00; G01T1/16; G01T1/161; G01T1/164; G01T1/1641; G01T1/1645; Y; Y10; Y10T; Y10T82/00; Y10T82/10; Y10T82/16; Y10T82/16016
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3123907A
Cited
US2499977A
Cited
US2828235A
Cited
US2942109A
Cited
US3097982A
Cited
US3373286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |