US2951312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible miniature house
Assignee: Individual
•
Filing: 1957-10-17
•
Granted: 1960-09-06
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Casper H Engh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/044; A63F; A63F9/00; A63F9/06; A63F9/12; A63F2009/1248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US739669A
Cited
US1279866A
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US1608273A
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US1610121A
Cited
US1671505A
Cited
US2204319A
Cited
US2422217A
Cited
GB593970A
Cited
US2680327A
Cited
US2714782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |