US2721077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding of wrapping materials to wrapping machines
Assignee: Forgrove Machinery Co Ltd
•
Filing: 1951-07-21
•
Granted: 1955-10-18
•
Expires: 1971-07-21
Abstract
No abstract record available.
Inventors
- 👤 Russell Alexander
- 👤 Hopton Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:23
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1565109A
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US1880111A
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US1435979A
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US1664568A
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US1737204A
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US1637658A
Cited
GB419775A
Cited
US2346194A
Cited
US2338596A
Cited
GB662593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |