US1093997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conducting-seal for vacuum-containers.
Assignee: Individual
•
Filing: 1912-04-05
•
Granted: 1914-04-21
•
Expires: 1932-04-05
Abstract
No abstract record available.
Inventors
- 👤 Charles A Kraus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/02; H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; H01J5/42; H01J2893/00; H01J2893/0033; H01J2893/0034
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) | 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 |