US2884835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double face reflector
Assignee: Individual
•
Filing: 1956-12-19
•
Granted: 1959-05-05
•
Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Richard D Rupert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/122; G02B5/124; B; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/13; B29C66/131; B29C66/1312; B29C66/50; B29C66/51; B29C66/54; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29L; B29L2011/00; B29L2011/0083; B29L2011/0091; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148315A
Cited
US2261688A
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US2270270A
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US2361319A
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US2421277A
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US2703773A
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US2791938A
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US2676518A
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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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |