US2697843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Playpen
Assignee: Individual
•
Filing: 1953-02-26
•
Granted: 1954-12-28
•
Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Paul M Skrmetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:06
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; A47D13/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US11449A
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US265127A
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US364415A
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US485081A
Cited
US1264734A
Cited
US1383727A
Cited
US1495988A
Cited
US2097506A
Cited
US2155330A
Cited
US2581318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |