Patent US4138127A successfully refreshed from Google Patents.
Patent US1226068A successfully refreshed from Google Patents.
US1226068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drafting-tool.
Assignee: CATHERINE STEFFEN
•
Filing: 1916-08-02
•
Granted: 1917-05-15
•
Expires: 1936-08-02
Abstract
No abstract record available.
Inventors
- 👤 Walter Faas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:14
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/027; B43L7/0275
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) | 1920-05-14 | 1920-11-13 | 1921-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-14 | 1924-11-13 | 1925-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-14 | 1928-11-13 | 1929-05-15 | $7700.00 | Window Closed / Lapsed |