Patent US3391890A successfully refreshed from Google Patents.
US3391890A
Expired / Lapsed
US
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Extensible, tiltable, counterbalanced lamp bracket
Assignee: Individual
•
Filing: 1966-05-19
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Granted: 1968-07-09
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Expires: 1986-05-19
Abstract
No abstract record available.
Inventors
- 👤 Albert C Perbal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:05
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F21V21/28; F21V21/29; F16; F16H; F16H21/00; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2021; F16M11/2028; F16M11/24; F16M11/38; F16M2200/00; F16M2200/06; F16M2200/065
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |