Patent US3339337A successfully refreshed from Google Patents.
US3339337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope, apparatus and method for making and filling envelopes
Assignee: Individual
•
Filing: 1964-10-08
•
Granted: 1967-09-05
•
Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond I Rapp
- 👤 William R Peterson
- 👤 Themis C Pailas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPARATUS FOR MAKING AND FILLING ENVELOPES OR THE LIKE, COMPRISING MEANS TO ADVANCE OVERLYING PORTIONS OF ENVELOPE MATERIAL HAVING TRANSVERSELY EXTENDING, POTENTIALLY ADHESIVE, HEAT SEALABLE, INNER SURFACES AT PREDETERMINED STRIPS ALONG THE LONGITUDINAL EXTENSION OF SAID PORTIONS, MEANS TO INSERT A SUCCESSION OF RELATIVELY FLAT INSERTS BETWEEN SAID PORTIONS WHEREBY SAID STRIPS BORDER THE TRANSVERSE EDGES OF EACH INSERT, HEATING MEANS DISPOSED BETWEEN SAID PORTIONS TO HEAT SAID SURFACES, AND PRESSURE MEANS DISPOSED OUTSIDE SAID PORTIONS TO PRESS SAID PORTIONS TOGETHER ALONG SAID STRIPS AROUND EACH SUCCESSIVE INSERT TO FORM A SERIES OF FILLED ENVELOPES, SAID PRESSURE MEANS BEING OPERABLE FOR A PREDETERMINED PERIOD OF TIME AFTER SAID HEAT AND PRESSURE SEALING TO PREMIT COOLING OF THE SEALED PORTIONS UNDER PRESSURE TO DEVELOP SUFFICIENT BOND STRENGTH TO PREVENT BURSTING AFTER REMOVAL OF PRESSURE.
Claim 2
Dependent Claim
133 words
APPARATUS FOR MAKING AND FILLING ENVELOPES OR THE LIKE, COMPRISING MEANS TO ADVANCE OVERLYING PORTIONS OF ENVELOPE MATERIAL HAVING TRANSVERSELY EXTENDING, POTENTIALLY ADHESIVE, HEAT SEALABLE, INNER SURFACES AT PREDETERMINED STRIPS ALONG THE LONGITUDINAL EXTENSION OF SAID PORTIONS, MEANS TO INSERT A SUCCESSION OF RELATIVELY FLAT INSERTS BETWEEN SAID PORTIONS WHEREBY SAID STRIPS BORDER THE TRANSVERSE EDGES OF EACH INSERT, HEATING MEANS DISPOSED BETWEEN SAID PORTIONS TO HEAT SAID SURFACES, AND PRESSURE MEANS DISPOSED OUTSIDE SAID PORTIONS TO PRESS SAID PORTIONS TOGETHER ALONG SAID STRIPS AROUND EACH SUCCESSIVE INSERT TO FORM A SERIES OF FILLED ENVELOPES, SAID PRESSURE MEANS BEING OPERABLE FOR A PREDETERMINED PERIOD OF TIME AFTER SAID HEAT AND PRESSURE SEALING TO PREMIT COOLING OF THE SEALED PORTIONS UNDER PRESSURE TO DEVELOP SUFFICIENT BOND STRENGTH TO PREVENT BURSTING AFTER REMOVAL OF PRESSURE.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |