US3082316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam welding
Assignee: Airco Inc
•
Filing: 1960-04-12
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Granted: 1963-03-19
•
Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 William J Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:27
CPC Classifications
B; B23; B23K; B23K15/00; B23K15/02; H; H01; H01J; H01J37/00; H01J37/02; H01J37/21; H01J37/24; H01J37/30; H01J37/3002; H01J37/3007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
ELECTRON BEAM WELDING APPARATUS, COMPRISING A DIAPHRAGM HAVING AN APERTURE THEREIN, MEANS INCLUDING THE DIAPHRAGM DEFINING AN ELECTRON GUN CHAMBER ON ONE SIDE OF THE DIAPHRAGM, AN ELECTRON GUN IN SAID CHAMBER, MEANS INCLUDING THE DIAPHRAGM DEFINING A WORKPIECE CHAMBER ON THE OPPOSITE SIDE OF THE DIAPHRAGM, A WORKPIECE SUPPORT IN THE WORKPIECE CHAMBER AND ALIGNED WITH THE GUN
Claim 2
Dependent Claim
59 words
ELECTRON BEAM WELDING APPARATUS, COMPRISING A DIAPHRAGM HAVING AN APERTURE THEREIN, MEANS INCLUDING THE DIAPHRAGM DEFINING AN ELECTRON GUN CHAMBER ON ONE SIDE OF THE DIAPHRAGM, AN ELECTRON GUN IN SAID CHAMBER, MEANS INCLUDING THE DIAPHRAGM DEFINING A WORKPIECE CHAMBER ON THE OPPOSITE SIDE OF THE DIAPHRAGM, A WORKPIECE SUPPORT IN THE WORKPIECE CHAMBER AND ALIGNED WITH THE GUN
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |