US3284264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a bellows structure of thermosetting material
Assignee: Individual
•
Filing: 1965-03-01
•
Granted: 1966-11-08
•
Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Gerald J O'rourke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:35
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C66/00; B29C66/004; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/73; B29C66/737; B29C66/7375; B29C66/73751; B29C66/73752; B29C66/73753; B29C66/73754; B29C66/739; B29C66/7394; B29C66/73941; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; F; F16; F16J; F16J3/00; F16J3/04; F16J3/041; B29K; B29K2021/00; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2031/00; B29L2031/703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
THE METHOD OF MANUFACTURING BELLOWS FABRICATED OF A PLURALITY OF SECTIONS COMPRISING; FORMING THE INDIVIDUAL SECTIONS OF A FLEXIBLE THERMOSETTING UNCURED MATERIAL; PLACING THE SEVERAL SECTION IN A STACK; PLACING MASKS BETWEEN SAID SECTIONS, SAID MASKS BEING FORMED OF A MATERIAL THAT RESISTS THE HEAT TO WHICH THE STACK IS SUBJECTED AND BEING OF SUCH SIZES AND CONFIGURATIONS AS TO EXPOSE THOSE PORTIONS OF EACH SECTION WHICH ARE TO BE BONDED TO ADJOINING SECTIONS; APPLYING PRESSURE TO THE STACK OF SECTIONS AND MASKS FOR HOLDING ADJACENT SURFACES OF THE SECTIONS IN FIRM CONTACT WITH EACH OTHER; AND SUBJECTING THE STACK WHILE UNDER PRESSURE TO SUFFICIENT HEAT TO CURE THE MATERIAL FORMING THE SECTIONS AND THEREBY FUSE TOGETHER ADJOINING SECTIONS ALONG THE AREAS WHICH ARE EXPOSED BY SAID MASKS; WHEREBY SAID SECTIONS ARE UNITED IN THE PROPER RELATIONSHIP INTO AN INTEGRAL STRUCTURE FORMING THE BELLOWS.
Claim 2
Independent Claim
144 words
THE METHOD OF MANUFACTURING BELLOWS FABRICATED OF A PLURALITY OF SECTIONS COMPRISING; FORMING THE INDIVIDUAL SECTIONS OF A FLEXIBLE THERMOSETTING UNCURED MATERIAL; PLACING THE SEVERAL SECTION IN A STACK; PLACING MASKS BETWEEN SAID SECTIONS, SAID MASKS BEING FORMED OF A MATERIAL THAT RESISTS THE HEAT TO WHICH THE STACK IS SUBJECTED AND BEING OF SUCH SIZES AND CONFIGURATIONS AS TO EXPOSE THOSE PORTIONS OF EACH SECTION WHICH ARE TO BE BONDED TO ADJOINING SECTIONS; APPLYING PRESSURE TO THE STACK OF SECTIONS AND MASKS FOR HOLDING ADJACENT SURFACES OF THE SECTIONS IN FIRM CONTACT WITH EACH OTHER; AND SUBJECTING THE STACK WHILE UNDER PRESSURE TO SUFFICIENT HEAT TO CURE THE MATERIAL FORMING THE SECTIONS AND THEREBY FUSE TOGETHER ADJOINING SECTIONS ALONG THE AREAS WHICH ARE EXPOSED BY SAID MASKS; WHEREBY SAID SECTIONS ARE UNITED IN THE PROPER RELATIONSHIP INTO AN INTEGRAL STRUCTURE FORMING THE BELLOWS.
References Cited (Backward Citations)
US2466387A
Cited
US1970802A
Cited
US2565296A
Cited
US2657075A
Cited
US2703770A
Cited
US2920656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |