USRE15061E
Expired / Lapsed
US
⏱️ 0.0 years remaining
op san francisco
Assignee: —
•
Filing: —
•
Granted: 1921-03-15
•
Expires: 1938-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:15
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/12; B60B35/16; B60B2310/00; B60B2310/30; B60B2310/305; B60B2360/00; B60B2360/10; B60B2360/92; B60B2900/00; B60B2900/30; B60B2900/321; B60B2900/325; B60B2900/50; B60B2900/561; B60Y; B60Y2200/00; B60Y2200/10; B60Y2200/11
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) | 1924-03-14 | 1924-09-13 | 1925-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-14 | 1928-09-13 | 1929-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-14 | 1932-09-13 | 1933-03-15 | $7700.00 | Window Closed / Lapsed |