US2499977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming grid-like structures
Assignee: General Electric Co
•
Filing: 1945-11-14
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Granted: 1950-03-07
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Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 William J Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:33
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/02; B; B21; B21C; B21C37/00; B21C37/06; H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; H01J2893/0024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/496; Y10T29/4981; Y10T29/49812; Y10T428/00; Y10T428/12; Y10T428/12479; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1286089A
Cited
DE501660C
Cited
US2047555A
Cited
US2197753A
Cited
US2169937A
Cited
US2266349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |