Patent US2542972A successfully refreshed from Google Patents.
Patent US2845158A successfully refreshed from Google Patents.
Patent US3537419A successfully refreshed from Google Patents.
Patent US3712872A successfully refreshed from Google Patents.
Patent US1528359A successfully refreshed from Google Patents.
US1528359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
of westminster
Assignee: —
•
Filing: —
•
Granted: 1925-03-03
•
Expires: 1942-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:59
CPC Classifications
B; B62; B62D; B62D3/00; B62D3/02; B62D3/04; B62D3/06
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) | 1928-03-02 | 1928-09-01 | 1929-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-02 | 1932-09-01 | 1933-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-02 | 1936-09-01 | 1937-03-03 | $7700.00 | Window Closed / Lapsed |