US3338487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous form stationery burster
Assignee: Varco Inc
•
Filing: 1965-10-21
•
Granted: 1967-08-29
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolph W Schutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:50
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/10; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A BURSTER MECHANISM FO SEPARATING CONTINUOUS FORM STATIONERY INTO INDIVIDUAL FORM LENGTHS BETWEEN TRANSVERSE LINES OF WEAKENING, COMPRISING: A FRAME; DRIVE MEANS MOUNTED IN SAID FRAME; A FIRST PAIR OF ROLLERS MOUNTED IN SAID FRAME IN THE PATH OF STATIONARY TRAVEL FOR GRIPPING AND FEEDING STATIONERY THROUGH THE BURSTER, SAID FIRST PAIR OF ROLLERS BEING DRIVEN BY SAID DRIVE MEANS; A SECOND PAIR OF ROLLERS MOUNTED IN SAID FRAME IN THE PATH OF STATIONERY TRAVEL FOR GRIPPING AND FEEDING STATIONERY THROUGH THE BURSTER; AND SLIP MEANS CONNECTING SAID DRIVE MEANS TO SAID SECOND PAIR OF ROLLERS, SAID SLIP MEANS RESPONSIVE TO PAPER FEEDING TO NORMALLY DRIVE SAID SECOND PAIR OF ROLLERS AT A FASTER RATE OF SPEED THAN SAID FIRST PAIR OF ROLLERS AND TO DRIVE SAID SECOND PAIR OF ROLLERS AT A REDUCED RATE OF SPEED RESPONSIVE TO SIMULTANEOUS GRIPPING OF PAPER BY SAID FIRST AND SECOND PAIRS OF ROLLERS TO THEREBY CREATE TENSION IN THE STATIONERY BETWEEN SAID FIRST AND SECOND PAIRS OF ROLLERS OF SUFFICIENT FORCE TO SEPARATE THE STATIONERY ALONG A TRANSVERSE LINE OF WEAKENING.
Claim 2
Dependent Claim
179 words
A BURSTER MECHANISM FO SEPARATING CONTINUOUS FORM STATIONERY INTO INDIVIDUAL FORM LENGTHS BETWEEN TRANSVERSE LINES OF WEAKENING, COMPRISING: A FRAME; DRIVE MEANS MOUNTED IN SAID FRAME; A FIRST PAIR OF ROLLERS MOUNTED IN SAID FRAME IN THE PATH OF STATIONARY TRAVEL FOR GRIPPING AND FEEDING STATIONERY THROUGH THE BURSTER, SAID FIRST PAIR OF ROLLERS BEING DRIVEN BY SAID DRIVE MEANS; A SECOND PAIR OF ROLLERS MOUNTED IN SAID FRAME IN THE PATH OF STATIONERY TRAVEL FOR GRIPPING AND FEEDING STATIONERY THROUGH THE BURSTER; AND SLIP MEANS CONNECTING SAID DRIVE MEANS TO SAID SECOND PAIR OF ROLLERS, SAID SLIP MEANS RESPONSIVE TO PAPER FEEDING TO NORMALLY DRIVE SAID SECOND PAIR OF ROLLERS AT A FASTER RATE OF SPEED THAN SAID FIRST PAIR OF ROLLERS AND TO DRIVE SAID SECOND PAIR OF ROLLERS AT A REDUCED RATE OF SPEED RESPONSIVE TO SIMULTANEOUS GRIPPING OF PAPER BY SAID FIRST AND SECOND PAIRS OF ROLLERS TO THEREBY CREATE TENSION IN THE STATIONERY BETWEEN SAID FIRST AND SECOND PAIRS OF ROLLERS OF SUFFICIENT FORCE TO SEPARATE THE STATIONERY ALONG A TRANSVERSE LINE OF WEAKENING.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |