US3351731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating material with a charged beam
Assignee: Jeol Ltd
•
Filing: 1963-10-03
•
Granted: 1967-11-07
•
Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Tanaka Kazumitsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
B; B23; B23K; B23K15/00; B23K15/08; H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/10; H01J37/14; H01J37/141; H01J37/147; H01J37/1472; Y; Y10; Y10S; Y10S148/00; Y10S148/023; Y10S438/00; Y10S438/961
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A METHOD OF CURVILINEARLY TREATING MATERIAL WITH A CHARGED BEAM COMPRISED, (A) FOCUSING A CHARGED BEAM ONTO THE MATERIAL, AND (B) APPLYING TO THE MATERIAL A FIELD CAPABLE OF DEFLECTING CHARGED PARTICLES WITHIN THE MATERIAL, THE DIREC-
Claim 2
Independent Claim
37 words
A METHOD OF CURVILINEARLY TREATING MATERIAL WITH A CHARGED BEAM COMPRISED, (A) FOCUSING A CHARGED BEAM ONTO THE MATERIAL, AND (B) APPLYING TO THE MATERIAL A FIELD CAPABLE OF DEFLECTING CHARGED PARTICLES WITHIN THE MATERIAL, THE DIREC-
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |