US1263234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentist-lamp.
Assignee: NELLIE J PHILLIPS
•
Filing: 1917-05-01
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Granted: 1918-04-16
•
Expires: 1937-05-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar J Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:59
CPC Classifications
F; F21; F21V; F21V14/00; F21V14/06
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) | 1921-04-15 | 1921-10-15 | 1922-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-04-15 | 1925-10-15 | 1926-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-04-15 | 1929-10-15 | 1930-04-16 | $7700.00 | Window Closed / Lapsed |