US2987289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger
Assignee: Individual
•
Filing: 1957-02-25
•
Granted: 1961-06-06
•
Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Floyd B Wamsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:50
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US423730A
Cited
US516284A
Cited
US620831A
Cited
US638196A
Cited
US1002063A
Cited
US2380124A
Cited
US2484173A
Cited
US2547124A
Cited
US2473086A
Cited
US2757804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |