US3364816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High intensity reflection copying system
Assignee: CAPS (RESEARCH) Ltd
•
Filing: 1965-08-11
•
Granted: 1968-01-23
•
Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 John H Jeffree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:01
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/004; G02B13/00; G02B13/24; G02B17/08; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/522; G03B27/525; G03B27/526; G03B27/527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2084450A
Cited
US2890621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |