US1254646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making eyepiece-caps.
Assignee: Bausch and Lomb Inc
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Filing: 1917-01-25
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Granted: 1918-01-29
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Expires: 1937-01-25
Abstract
No abstract record available.
Inventors
- 👤 John J Bausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:08
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/10; B28; B28B; B28B11/00; B28B11/08; B28B11/0818
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) | 1921-01-28 | 1921-07-30 | 1922-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-01-28 | 1925-07-30 | 1926-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-01-28 | 1929-07-30 | 1930-01-29 | $7700.00 | Window Closed / Lapsed |