US2052229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joining or cementing glass building units
Assignee: Corning Glass Works
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Filing: 1934-05-21
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Granted: 1936-08-25
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Expires: 1954-05-21
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:05
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/06; C08; C08F; C08F263/00; C08F263/02; C08F263/04; E; E04; E04C; E04C1/00; E04C1/42; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166
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) | 1939-08-25 | 1940-02-24 | 1940-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-08-25 | 1944-02-24 | 1944-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-08-25 | 1948-02-24 | 1948-08-25 | $7700.00 | Window Closed / Lapsed |