US2554630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeglass cleaner
Assignee: Individual
•
Filing: 1949-10-24
•
Granted: 1951-05-29
•
Expires: 1969-10-24
Abstract
No abstract record available.
Inventors
- 👤 John R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:59
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1177752A
Cited
US1025372A
Cited
US1074671A
Cited
GB258417A
Cited
FR738616A
Cited
US2277371A
Cited
US2367182A
Cited
US2427043A
Cited
US2530746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |