US2789668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable storage shelters
Assignee: Individual
•
Filing: 1952-12-03
•
Granted: 1957-04-23
•
Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/3455; E04B1/32; E04B1/3205; E04B2001/3217; E04B2001/3235; E04B2001/3241; E04B2001/3252; Y; Y10; Y10S; Y10S135/00; Y10S135/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |