US2854737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper coated uranium article
Assignee: Individual
•
Filing: 1945-01-06
•
Granted: 1958-10-07
•
Expires: 1965-01-06
Abstract
No abstract record available.
Inventors
- 👤 Allen G Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:43
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; C; C23; C23C; C23C28/00; C23C28/02; C23C28/023; C25; C25D; C25D5/00; C25D5/10; C25D5/34; C25D5/46; C25D5/60; C25D5/605; C25D5/611; C25D5/623; C25D5/627; G21C21/00; G21C21/02; G21C21/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12687; Y10T428/12694; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A METALLIC URANIUM ARTICLE PROTECTIVELY COATED WITH SUCESSIVE LAYERS OF COPPER AND LEAD.
Claim 2
Dependent Claim
13 words
A METALLIC URANIUM ARTICLE PROTECTIVELY COATED WITH SUCESSIVE LAYERS OF COPPER AND LEAD.
References Cited (Backward Citations)
US673126A
Cited
US1147718A
Cited
US1387426A
Cited
US1559077A
Cited
US1975818A
Cited
US2162789A
Cited
FR861390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |