US2487388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook
Assignee: Individual
•
Filing: 1944-12-30
•
Granted: 1949-11-08
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn L Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:13
CPC Classifications
A; A47; A47G; A47G25/00; A47G25/02; A47G25/06; A47G25/0685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1047694A
Cited
US1401532A
Cited
GB187278A
Cited
US1892687A
Cited
US2116631A
Cited
US2217795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |