Patent US1536548A successfully refreshed from Google Patents.
US1536548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door hanger
Assignee: Individual
•
Filing: 1922-10-05
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Granted: 1925-05-05
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Expires: 1942-10-05
Abstract
No abstract record available.
Inventors
- 👤 Wolters Henry
- 👤 Hartman Milo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:46
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0656; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1928-05-04 | 1928-11-03 | 1929-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-04 | 1932-11-03 | 1933-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-04 | 1936-11-03 | 1937-05-05 | $7700.00 | Window Closed / Lapsed |