US2804907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical tape applying apparatus
Assignee: 3M Co
•
Filing: 1955-06-27
•
Granted: 1957-09-03
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 James H Casey
- 👤 Ray E Mcfadden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:39
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/08; H01B13/0825; H01B13/0841; D; D07; D07B; D07B7/00; D07B7/02; D07B7/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |