US3276047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin-rest seat cushion
Assignee: Individual
•
Filing: 1965-03-08
•
Granted: 1966-10-04
•
Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 William M Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN INFLATABLE SEAT CUSHION COMPRISING EXTERIOR PLASTIC SHEETING HERMETICALLY SEALED DIRECTLY TOGETHER, SEPARATELY INFLATED AND SUBSTANTIALLY SIMILAR RIGHT AND LEFT HALVES PROVIDING SURFACES FOR SUPPORTING THE RIGHT AND LEFT THIGHS RESPECTIVELY AND APPROXIMATELY THE WIDTH AND LENGTH THEREOF, A SIZABLE ELONGATED OPENING BETWEEN SAID HALVES, SMALLER INFLATED PARTS PNEUMATICALLY CONNECTED EACH TO ONE OF SAID HALVES POSITIONED NEAR THE ENDS OF SAID ELONGATED OPENING TO PROVIDE A PNEUMATIC STIFFNESS TO SPACE SAID HALVES APART AND TO HINGE THEM TOGETHER, AND QUADRUPLE AND CLOSELY ADJACENT VERTICAL RIB MEANS MADE FROM A SEPARTATE SHEET OF PLASTIC FOR EACH OF SAID CUSHION HALVES, EACH OF SAID QUADRUPLE RIB MEANS BEING FOLDED SYMMETRI-
Claim 2
Dependent Claim
109 words
AN INFLATABLE SEAT CUSHION COMPRISING EXTERIOR PLASTIC SHEETING HERMETICALLY SEALED DIRECTLY TOGETHER, SEPARATELY INFLATED AND SUBSTANTIALLY SIMILAR RIGHT AND LEFT HALVES PROVIDING SURFACES FOR SUPPORTING THE RIGHT AND LEFT THIGHS RESPECTIVELY AND APPROXIMATELY THE WIDTH AND LENGTH THEREOF, A SIZABLE ELONGATED OPENING BETWEEN SAID HALVES, SMALLER INFLATED PARTS PNEUMATICALLY CONNECTED EACH TO ONE OF SAID HALVES POSITIONED NEAR THE ENDS OF SAID ELONGATED OPENING TO PROVIDE A PNEUMATIC STIFFNESS TO SPACE SAID HALVES APART AND TO HINGE THEM TOGETHER, AND QUADRUPLE AND CLOSELY ADJACENT VERTICAL RIB MEANS MADE FROM A SEPARTATE SHEET OF PLASTIC FOR EACH OF SAID CUSHION HALVES, EACH OF SAID QUADRUPLE RIB MEANS BEING FOLDED SYMMETRI-
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |