US3059656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable plastic structure
Assignee: Union Carbide Corp
•
Filing: 1958-10-20
•
Granted: 1962-10-23
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 William A Seubert
- 👤 Brandon B Pusey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:27
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H2015/202; E04H2015/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2046039A
Cited
US2259347A
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US2575764A
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US2672628A
Cited
US2743510A
Cited
US2826523A
Cited
US2740742A
Cited
US2900994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |