US2573609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making inflatable
Assignee: —
•
Filing: —
•
Granted: 1951-10-30
•
Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/40; B29C43/00; B29C43/02; B29C43/10; B29C35/00; B29C35/02; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0654; B29D2030/0655; B29L; B29L2022/00; B29L2022/02; B29L2022/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310436A
Cited
US1473260A
Cited
US1649734A
Cited
US2230879A
Cited
US2324974A
Cited
US2329346A
Cited
US2430076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |