Patent US1998088A successfully refreshed from Google Patents.
US1998088A
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Metal backed reflector
Assignee: Individual
•
Filing: 1932-02-05
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Granted: 1935-04-16
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Expires: 1952-02-05
Abstract
No abstract record available.
Inventors
- 👤 Seth C Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:16
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/30; F21S41/37; F21V; F21V7/00; F21V7/22; F21V7/24; F21V7/28; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12556; Y10T428/12597; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/31504; Y10T428/31678; Y10T428/31714
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) | 1938-04-15 | 1938-10-15 | 1939-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-15 | 1942-10-15 | 1943-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-15 | 1946-10-15 | 1947-04-16 | $7700.00 | Window Closed / Lapsed |