US3320874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strapping machine
Assignee: Interlake Steel Corp
•
Filing: 1965-09-27
•
Granted: 1967-05-23
•
Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Gasper
- 👤 Robert A Johnson
- 👤 Robert G Treptow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:55
CPC Classifications
B; B65; B65B; B65B13/00; B65B13/18; B65B13/24; B65B13/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
THE METHOD OF WRAPPING A SPIRAL COIL COMPRISING, PROVIDING A STRAP LOOP IN ENCIRCLING RELATION TO THE COIL, SHRINKING THE STRAP LOOP INTO CONTACT WITH THE OUTER WRAP OF THE COIL, MAINTAINING SUCH CONTACT OF THE STRAP LOOP
Claim 2
Independent Claim
38 words
THE METHOD OF WRAPPING A SPIRAL COIL COMPRISING, PROVIDING A STRAP LOOP IN ENCIRCLING RELATION TO THE COIL, SHRINKING THE STRAP LOOP INTO CONTACT WITH THE OUTER WRAP OF THE COIL, MAINTAINING SUCH CONTACT OF THE STRAP LOOP
References Cited (Backward Citations)
US990271A
Cited
DE497065C
Cited
US3019577A
Cited
US3044729A
Cited
US3179037A
Cited
US3238864A
Cited
US3216346A
Cited
US3225683A
Cited
US3252408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |