US3510656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray source
Assignee: British Cellophane Ltd
•
Filing: 1965-12-13
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Granted: 1970-05-05
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Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 John Laurence Linsley Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
H; H01; H01J; H01J35/00; H01J35/02; G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/083; G01N23/16; G21; G21G; G21G4/00; G21G4/04; H01J2235/00; H01J2235/08; H01J2235/081; H01J2235/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3087061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |