US2767308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp structures
Assignee: Individual
•
Filing: 1953-08-13
•
Granted: 1956-10-16
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Newman Bear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:48
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/005; F21V; F21V11/00; F21V11/16; F21V11/18; F21Y; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012413A
Cited
US963912A
Cited
US1035624A
Cited
US1167451A
Cited
US1169853A
Cited
US1413439A
Cited
US1472050A
Cited
US2440938A
Cited
US2439330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |