Patent US3572191A successfully refreshed from Google Patents.
US3572191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seam closing tool
Assignee: Individual
•
Filing: 1968-04-29
•
Granted: 1971-03-23
•
Expires: 1988-04-29
Abstract
Abstract A PLIER-LIKE CLOSURE TOOL FOR USE IN OPENING AND CLOSING SEAM-FORMING TAPE OF THE TYPR HAVING TONGUES AND GROOVES ALONG THEIR JUXTAPOSED FACES SHAPED TO INTERLOCK TO FORM A SEPARABLE SEAM AS THE TONGUES AND GROOVES ARE PRESSED TOGETHER FROM THE REMOTE SURFACES OF THEIR OVERLAPPED EDGES. THE TOOL JAWS ARE SPECIALLY CONTOURED TO EMBRACE AND RETAIN THE OVERLAPPED TAPE EDGES INPROPER POSITION FOR CAMMING THEM INTO INTERLOCKING ENGAGEMENT AND INCLUDING MEANS EFFECTIVE TO HOLD THE JAWS IN SPACED-APART OPERATING POSITION. THE TOOL INCLUDES ADJUSTABLE MEANS FOR ACCOMMODATING THE TOOL JAWS TO USE WITH TAPES OF DIFFERING THICKNESSES.
Inventors
- 👤 Hans E Bannies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:26
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/26; A44B19/28; A44B19/285; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2532; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |