Patent US2767946A successfully refreshed from Google Patents.
US2767946A
Expired / Lapsed
US
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Support for neon tubing
Assignee: Individual
•
Filing: 1953-08-05
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Granted: 1956-10-23
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Expires: 1973-08-05
Abstract
No abstract record available.
Inventors
- 👤 Weeks Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:57
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0075; F21V19/008; F21V19/009; F21Y; F21Y2103/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |