US2673118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rayless visor
Assignee: Individual
•
Filing: 1951-08-03
•
Granted: 1954-03-23
•
Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
- 👤 Phelps Helen Irene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:41
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02; B60J3/0204; B60J3/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1600201A
Cited
US1775486A
Cited
FR695895A
Cited
US2118198A
Cited
US2261881A
Cited
GB574526A
Cited
US2458125A
Cited
US2548309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |