Patent US3521425A successfully refreshed from Google Patents.
US3521425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrapping method and apparatus
Assignee: WRAPPING MACHINERY CO Inc
•
Filing: 1967-05-24
•
Granted: 1970-07-21
•
Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Victor E Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:18
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/08; B65B67/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2346613A
Cited
US2725699A
Cited
US2926473A
Cited
US2954654A
Cited
US3043071A
Cited
GB939306A
Cited
US3176443A
Cited
US3263392A
Cited
US3381449A
Cited
US3298265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |