US2728115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding, collapsible portable building
Assignee: Individual
•
Filing: 1952-07-24
•
Granted: 1955-12-27
•
Expires: 1972-07-24
Abstract
No abstract record available.
Inventors
- 👤 Cornelius George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:28
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/3448
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1051250A
Cited
US1598962A
Cited
GB233109A
Cited
GB249029A
Cited
US1771554A
Cited
US1817847A
Cited
US2127580A
Cited
US2321477A
Cited
US2538286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |