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US1649907A
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Combination of glass and metal bodies
Assignee: Ltd Co W C HERAUS GmbH
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Filing: 1921-04-26
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Granted: 1927-11-22
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Expires: 1941-04-26
Abstract
No abstract record available.
Inventors
- 👤 Mayer Robert Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:04
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597
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) | 1930-11-21 | 1931-05-23 | 1931-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-21 | 1935-05-23 | 1935-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-21 | 1939-05-23 | 1939-11-22 | $7700.00 | Window Closed / Lapsed |