US2610387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making grid assemblies
Assignee: Individual
•
Filing: 1945-03-22
•
Granted: 1952-09-16
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Eileen E Borland
- 👤 Garret A Hobart
- 👤 Casimir Z Nawrocki
- 👤 Henry V Neher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:24
CPC Classifications
H; H01; H01J; H01J19/00; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0019; H01J2893/0022; H01J2893/0024; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12361
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |