US3188446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for assembly of nuclear control rods and fuel tubes
Assignee: Individual
•
Filing: 1961-10-10
•
Granted: 1965-06-08
•
Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 William E Ray
- 👤 George R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:30
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/06; G21F7/065; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE PROCESS OF SEALING A CONTAINER BY WELDING, COMPRISING THE STEPS OF (A) PREHEATING THE CONTAINER CASING IN THE OPEN AREA TO BE SEALED (1) TO A TEMPERATURE APPROXIMATING THAT OF THE CONTAINER MATERIAL UNDER WELDING HEAT TO EXPAND THE OPENING, (B) PRELIMINARILY SEALING THE CONTAINER
Claim 2
Dependent Claim
46 words
THE PROCESS OF SEALING A CONTAINER BY WELDING, COMPRISING THE STEPS OF (A) PREHEATING THE CONTAINER CASING IN THE OPEN AREA TO BE SEALED (1) TO A TEMPERATURE APPROXIMATING THAT OF THE CONTAINER MATERIAL UNDER WELDING HEAT TO EXPAND THE OPENING, (B) PRELIMINARILY SEALING THE CONTAINER
References Cited (Backward Citations)
CA527728A
Cited
US2265954A
Cited
US2315358A
Cited
US2484613A
Cited
US2807697A
Cited
US2798927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |