US942420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelop.
Assignee: Individual
•
Filing: 1909-08-23
•
Granted: 1909-12-07
•
Expires: 1929-08-23
Abstract
No abstract record available.
Inventors
- 👤 Lyman R Swett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:58
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/02; B42D5/023; B42D5/025
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) | 1912-12-06 | 1913-06-07 | 1913-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-12-06 | 1917-06-07 | 1917-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-12-06 | 1921-06-07 | 1921-12-07 | $7700.00 | Window Closed / Lapsed |