US1024552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro postmarking-machine.
Assignee: Individual
•
Filing: 1909-02-13
•
Granted: 1912-04-30
•
Expires: 1929-02-13
Abstract
No abstract record available.
Inventors
- 👤 Francis G Boswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:47
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/12; B41K3/121; B41K3/123
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) | 1915-04-30 | 1915-10-30 | 1916-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-30 | 1919-10-30 | 1920-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-30 | 1923-10-30 | 1924-04-30 | $7700.00 | Window Closed / Lapsed |