US3437025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded plastic bellows
Assignee: Polaroid Corp
•
Filing: 1966-02-07
•
Granted: 1969-04-08
•
Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Christopher R Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:51
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04; G03B17/045; Y; Y10; Y10S; Y10S425/00; Y10S425/058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN EXPANSIBLE AND COLLAPSIBLE BELLOWS FOR USE ON A PHOTOGRAPHIC CAMERA OR THE LIKE, SAID CAMERA OR THE LIKE HAVING AN OPERATING ELEMENT WHICH EXTENDS THE LENGTH OF THE BELLOWS WHETHER IN EXPANDED OR COLLAPSED POSITIONS, SAID BELLOWS COMPRISING A SINGLE, CONTINUOUS SHEET OF THERMOPLASTIC MATERIAL DEFINING A SPACE ENCLOSED BY WALL PORTION HAVING A SERIES OF CONVOLUTIONS FORMED BY FOLD LINES MOLDED INTO SAID MATERIAL PERPENDICULAR TO THE MAJOR AXIS THEREOF, AND AT LEAST ONE SUBSTANTIALLY FLAT, FLEXIBLE TAB, FORMED FROM SAID MATERIAL AS AN INTEGRAL PORTION OF SAID BELLOWS, EXTENDING FROM AN ANCHORED POSITION ON SAID WALL PORTION INTERMEDIATE THE ENDS THEREOF, SAID TAB FORMING AN INTEGRAL PROJECTION EXTENDING OUTWARDLY FROM SAID WALL PORTION FOR COACTING IN A SUPPORTING MANNER WITH SAID OPERATING ELEMENT AS SAID BELLOWS IS EXPANDED AND COLLAPSED.
Claim 2
Dependent Claim
133 words
AN EXPANSIBLE AND COLLAPSIBLE BELLOWS FOR USE ON A PHOTOGRAPHIC CAMERA OR THE LIKE, SAID CAMERA OR THE LIKE HAVING AN OPERATING ELEMENT WHICH EXTENDS THE LENGTH OF THE BELLOWS WHETHER IN EXPANDED OR COLLAPSED POSITIONS, SAID BELLOWS COMPRISING A SINGLE, CONTINUOUS SHEET OF THERMOPLASTIC MATERIAL DEFINING A SPACE ENCLOSED BY WALL PORTION HAVING A SERIES OF CONVOLUTIONS FORMED BY FOLD LINES MOLDED INTO SAID MATERIAL PERPENDICULAR TO THE MAJOR AXIS THEREOF, AND AT LEAST ONE SUBSTANTIALLY FLAT, FLEXIBLE TAB, FORMED FROM SAID MATERIAL AS AN INTEGRAL PORTION OF SAID BELLOWS, EXTENDING FROM AN ANCHORED POSITION ON SAID WALL PORTION INTERMEDIATE THE ENDS THEREOF, SAID TAB FORMING AN INTEGRAL PROJECTION EXTENDING OUTWARDLY FROM SAID WALL PORTION FOR COACTING IN A SUPPORTING MANNER WITH SAID OPERATING ELEMENT AS SAID BELLOWS IS EXPANDED AND COLLAPSED.
References Cited (Backward Citations)
US1382081A
Cited
US1500391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |