US2739433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging mechanism
Assignee: Forgrove Machinery Co Ltd
•
Filing: 1953-12-22
•
Granted: 1956-03-27
•
Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Hopton Alan
- 👤 Russell Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/30; B65B35/36; B65B23/00; B65B23/10; B65B23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2431265A
Cited
US2666562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |