Patent US5807581A successfully refreshed from Google Patents.
Patent US2703690A successfully refreshed from Google Patents.
US2703690A
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Lampstand
Assignee: Bretford Manufacturing Inc
•
Filing: 1950-07-21
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Granted: 1955-03-08
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Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Edward J Petrick
- 👤 Russell E Petrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:35
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2035; F16M11/2064; F16M11/24; F16M11/242; F16M11/245; F16M11/26; F16M11/28; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32426; Y10T403/32467; Y10T403/32475; Y10T403/32501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US454553A
Cited
US1307551A
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US1031839A
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US1152071A
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US1268363A
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US2512352A
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US2391101A
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US2417654A
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US2473632A
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US2496264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |