US785851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflecting-lantern.
Assignee: Williams Brown & Earle
•
Filing: 1904-09-28
•
Granted: 1905-03-28
•
Expires: 1924-09-28
Abstract
No abstract record available.
Inventors
- 👤 Caleb C Balderston
- 👤 Nathaniel H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:09
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/28; G03B21/06; G03B21/20; G03B21/208
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1908-03-27 | 1908-09-26 | 1909-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-27 | 1912-09-26 | 1913-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-27 | 1916-09-26 | 1917-03-28 | $7700.00 | Window Closed / Lapsed |