Patent US1283189A successfully refreshed from Google Patents.
US1283189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined dentist's lamp-holder and mirror.
Assignee: Individual
•
Filing: 1918-03-26
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Granted: 1918-10-29
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Expires: 1938-03-26
Abstract
No abstract record available.
Inventors
- 👤 Edgar Garlin Houck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
F; F21; F21L; F21L2/00; F21V; F21V17/00; F21V17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-10-28 | 1922-04-29 | 1922-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-28 | 1926-04-29 | 1926-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-28 | 1930-04-29 | 1930-10-29 | $7700.00 | Window Closed / Lapsed |