Patent US2987735A successfully refreshed from Google Patents.
US2987735A
Expired / Lapsed
US
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Control of inflatable articles
Assignee: Individual
•
Filing: 1957-07-26
•
Granted: 1961-06-13
•
Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Walter P Nail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:54
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/54; A47C27/00; A47C27/08; A47C27/088; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US540725A
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US587223A
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US1680963A
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US1965349A
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US2355757A
Cited
US2509395A
Cited
US2603120A
Cited
US2838099A
Cited
US2751953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |