US2589155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable head stay
Assignee: Individual
•
Filing: 1950-10-25
•
Granted: 1952-03-11
•
Expires: 1970-10-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
B; B61; B61D; B61D33/00; B61D33/0007; B61D33/005; A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; A47C7/383; B60; B60N; B60N2/00; B60N2/80; B60N2/882; Y; Y10; Y10S; Y10S128/00; Y10S128/23; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |