US1094073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling device for subsequently identifying persons at a business negotiations, and the like.
Assignee: Individual
•
Filing: 1913-03-25
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Granted: 1914-04-21
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Expires: 1933-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred Ilg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:43
CPC Classifications
H; H03; H03M; H03M1/00; G; G07; G07C; G07C3/00; G07C3/08; G07C3/12
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) | 1917-04-20 | 1917-10-20 | 1918-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-04-20 | 1921-10-20 | 1922-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-04-20 | 1925-10-20 | 1926-04-21 | $7700.00 | Window Closed / Lapsed |