Patent US2568110A successfully refreshed from Google Patents.
US2568110A
Expired / Lapsed
US
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Method of making glassy phosphate
Assignee: —
•
Filing: —
•
Granted: 1951-09-18
•
Expires: 1968-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:14
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/062; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D3/0005; C11D3/0052; C11D3/046; C11D3/08; C11D3/10; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365190A
Cited
US2382165A
Cited
GB190120884A
Cited
US1604126A
Cited
US2024543A
Cited
US1979926A
Cited
US2493809A
Cited
US2494828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |