US1589956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating machine
Assignee: Westinghouse Lamp Co
•
Filing: 1924-03-17
•
Granted: 1926-06-22
•
Expires: 1944-03-17
Abstract
No abstract record available.
Inventors
- 👤 Hageman Aaron Martin
- 👤 Lindstrom Albert Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:23
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/005; Y; Y10; Y10S; Y10S118/00; Y10S118/03
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) | 1929-06-21 | 1929-12-21 | 1930-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-21 | 1933-12-21 | 1934-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-21 | 1937-12-21 | 1938-06-22 | $7700.00 | Window Closed / Lapsed |