US3362671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension assembly
Assignee: 3M Co
•
Filing: 1966-05-04
•
Granted: 1968-01-09
•
Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Elwood P Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:53
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32819; Y10T403/32827; Y10T403/32844; Y10T403/32951; Y10T403/32959
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN OVERHEAD SUPPORT MEMBER FOR A RETRACTABLE PROJECTION SCREEN OR THE LIKE COMPRISING, IN COMBINATION, A MOUNTING PLATE, A SUPPORTING STUD CARRIED BY THE PLATE, A ROTATABLE TUBULAR SLEEVE SUPPORTED BY SAID STUD, A CLEVIS ATTACHED TO SAID SLEEVE, A MOUNTING STUD, AND FRICTION BEARING MEANS SUPPORTING SAID MOUNTING STUD IN SAID CLEVIS.
Claim 2
Dependent Claim
53 words
AN OVERHEAD SUPPORT MEMBER FOR A RETRACTABLE PROJECTION SCREEN OR THE LIKE COMPRISING, IN COMBINATION, A MOUNTING PLATE, A SUPPORTING STUD CARRIED BY THE PLATE, A ROTATABLE TUBULAR SLEEVE SUPPORTED BY SAID STUD, A CLEVIS ATTACHED TO SAID SLEEVE, A MOUNTING STUD, AND FRICTION BEARING MEANS SUPPORTING SAID MOUNTING STUD IN SAID CLEVIS.
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |