US2937385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Play pen
Assignee: Individual
•
Filing: 1958-08-14
•
Granted: 1960-05-24
•
Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 Roy E Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:20
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; A47D11/00; A47D11/005; A47D11/007; A47D9/00; A47D9/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US190817A
Cited
US1322616A
Cited
US1435299A
Cited
US1895885A
Cited
FI23789A
Cited
US2641774A
Cited
US2553579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |