Patent US2563410A successfully refreshed from Google Patents.
US2563410A
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US
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Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/005; F21V; F21V21/00; F21V21/08; F21V21/088; F21V21/0885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US980895A
Cited
US1343526A
Cited
US1367369A
Cited
US1528599A
Cited
US1783874A
Cited
US2287485A
Cited
US2300915A
Cited
US2399511A
Cited
US2442736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |