Patent US3002608A successfully refreshed from Google Patents.
US2611073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheat
Assignee: —
•
Filing: —
•
Granted: 1952-09-16
•
Expires: 1969-09-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:04
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21V7/045; Y; Y10; Y10S; Y10S362/00; Y10S362/802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2312613A
Cited
US1218292A
Cited
US1138449A
Cited
US1292616A
Cited
FR609600A
Cited
US2128791A
Cited
US2304311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |