US2179491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deterioration resistant reflector
Assignee: Individual
•
Filing: 1938-06-16
•
Granted: 1939-11-14
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Expires: 1958-06-16
Abstract
No abstract record available.
Inventors
- 👤 John R Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:38
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3605; C03C17/3644; C03C17/3657; C03C17/3663; C03C3/076; C03C3/102; C03C3/108; C03C8/00; C03C8/02; C03C8/10; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266
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) | 1942-11-13 | 1943-05-15 | 1943-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-13 | 1947-05-15 | 1947-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-13 | 1951-05-15 | 1951-11-14 | $7700.00 | Window Closed / Lapsed |