US2911525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental spotlight
Assignee: Individual
•
Filing: 1956-04-10
•
Granted: 1959-11-03
•
Expires: 1976-04-10
Abstract
No abstract record available.
Inventors
- 👤 Strom Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F21V21/28; F16; F16M; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2014; F16M11/2092; F16M11/24; F16M13/00; F16M13/02; F16M2200/00; F16M2200/04; F16M2200/044; F16M2200/06; F16M2200/063; F21S; F21S8/00; F21S8/03; F21S8/033; F21V21/30; F21W; F21W2131/00; F21W2131/20; F21W2131/202
Claims Analysis
Total Claims: 0
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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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |