Patent US1243852A successfully refreshed from Google Patents.
US1243852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multitime separator and distributer.
Assignee: Individual
•
Filing: 1916-04-06
•
Granted: 1917-10-23
•
Expires: 1936-04-06
Abstract
No abstract record available.
Inventors
- 👤 David Lucifer Martyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292; H01; H01H; H01H47/00; H01H47/02; H01H47/18
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) | 1920-10-22 | 1921-04-23 | 1921-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-22 | 1925-04-23 | 1925-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-22 | 1929-04-23 | 1929-10-23 | $7700.00 | Window Closed / Lapsed |