US2358203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1943-04-13
•
Granted: 1944-09-12
•
Expires: 1963-04-13
Abstract
No abstract record available.
Inventors
- 👤 Albert A Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0033; G02B6/005; F; F21; F21V; F21V33/00; F21V33/0004; F21V33/0048; G02B6/0081; G02B6/0086; G02B6/0091; F21Y; F21Y2103/00; G02B6/0066; G02B6/007; G02B6/0071
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) | 1947-09-12 | 1948-03-13 | 1948-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-12 | 1952-03-13 | 1952-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-12 | 1956-03-13 | 1956-09-12 | $7700.00 | Window Closed / Lapsed |