US3117447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal sensing by osmosis
Assignee: Individual
•
Filing: 1960-12-01
•
Granted: 1964-01-14
•
Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Lang Delmer Thied
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:21
CPC Classifications
G; G01; G01T; G01T1/00; G01J; G01J5/00; G01J5/46
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
IN A DEVICE FOR INDICATING RADIATION INCIDENT THEREON, THE PROVISION OF A MOVABLE TARGET FOR RECEIVING RADIATION COMPRISING A SCREEN PROVIDED WITH A MULTIPLICITY OF OPENINGS THERETHROUGH BEARING THEREON A LAYER OF PARTICLES FORMING A PARTITION POROUS TO MOLECULAR GAS FLOW THERETHROUGH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |