US673687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam-compass.
Assignee: Individual
•
Filing: 1900-12-31
•
Granted: 1901-05-07
•
Expires: 1920-12-31
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Penfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:11
CPC Classifications
B; B43; B43L; B43L9/00; B43L9/02; B43L9/04
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) | 1904-05-06 | 1904-11-05 | 1905-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-06 | 1908-11-05 | 1909-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-06 | 1912-11-05 | 1913-05-07 | $7700.00 | Window Closed / Lapsed |