US3019485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing metal spheres
Assignee: Accurate Specialties Inc
•
Filing: 1960-01-11
•
Granted: 1962-02-06
•
Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:30
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F1/00; B22F1/06; B22F1/065; B22F2998/00; Y; Y10; Y10S; Y10S75/00; Y10S75/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1378084A
Cited
US1762693A
Cited
US2189387A
Cited
US2574357A
Cited
US2952868A
Cited
US2919471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |