Patent US2773326A successfully refreshed from Google Patents.
US2773326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable tilt-up
Assignee: Individual
•
Filing: 1953-09-09
•
Granted: 1956-12-11
•
Expires: 1973-09-09
Abstract
No abstract record available.
Inventors
- 👤 Warren D Calvert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:43
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US252008A
Cited
US380899A
Cited
US434426A
Cited
US480346A
Cited
US983013A
Cited
US1486169A
Cited
US1610534A
Cited
US1863756A
Cited
US2008555A
Cited
US2136864A
Cited
US2663962A
Cited
US2636303A
Cited
US2653405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |