US3837994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of perfect bound books
Assignee: Individual
•
Filing: 1972-06-12
•
Granted: 1974-09-24
•
Expires: 1992-06-12
Abstract
Abstract A METHOD FOR THE "PERFECT" BINDING OF BOOKS WHEREIN THE HOT MELT ADHESIVE COMPOSITION WHICH IS UTILIZED TO BIND THE SHEETS THEREOF COMPRISES A BLEND OF (A) A BLOCK POLYMER OF MONOVINYL AROMATIC HYDROCARBONS AND CONJUGATED DIENES; (B) A TACKIFYING RESIN; (C) A STABILIZER; AND (D) A WAX DILUENT.
Inventors
- 👤 T Flanagan
- 👤 I Kaye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:49
CPC Classifications
C; C09; C09J; C09J153/00; C09J153/02; C09J157/00; C09J157/02; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/28; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24174; Y10T428/2419; Y10T428/24198; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888
Claims Analysis
Total Claims: 0
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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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |