Patent US1899503A successfully refreshed from Google Patents.
Patent US2215048A successfully refreshed from Google Patents.
US2215048A
Expired / Lapsed
US
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Mortar-bonded glass and the like structure
Assignee: Corning Glass Works
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Filing: 1939-04-18
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Granted: 1940-09-17
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Expires: 1959-04-18
Abstract
No abstract record available.
Inventors
- 👤 Rob R Mcgregor
- 👤 Earl L Warrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:36
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/42; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-09-17 | 1944-03-18 | 1944-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-17 | 1948-03-18 | 1948-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-17 | 1952-03-18 | 1952-09-17 | $7700.00 | Window Closed / Lapsed |