US3518002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectrometer
Assignee: Smiths Detection Toronto Ltd
•
Filing: 1967-07-18
•
Granted: 1970-06-30
•
Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Anthony Rene Barringer
- 👤 Josef Pep Schock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/28; G01J3/457; G01J2003/2866
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2630736A
Cited
US2751811A
Cited
US2941443A
Cited
US3012467A
Cited
US3071037A
Cited
US3052154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |