US2432081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating apparatus
Assignee: Raytheon Co
•
Filing: 1944-09-28
•
Granted: 1947-12-09
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:32
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/06; Y; Y10; Y10S; Y10S118/00; Y10S118/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US617561A
Cited
US740604A
Cited
US755777A
Cited
US1461760A
Cited
US1630244A
Cited
US1858466A
Cited
US2073461A
Cited
US2329024A
Cited
US2363055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |