US2436819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming glass beads
Assignee: STC PLC
•
Filing: 1944-06-23
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Granted: 1948-03-02
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Expires: 1964-06-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Neidorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:42
CPC Classifications
B; B28; B28D; B28D7/00; B28D7/04; C; C03; C03B; C03B33/00; C03B33/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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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) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |