US3115271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of constructing a reinforced resin, cone-shaped structure and product
Assignee: 3M Co
•
Filing: 1958-08-15
•
Granted: 1963-12-24
•
Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 James A Anderson
- 👤 John J Jungbauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:12
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/583; B29C53/585; B29C53/80; B29C53/8008; B29C53/805; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AS A NEW ARTICLE OF MANUFACTURE, A STRONG, RIGID, HOLLOW, CONE-SHAPED STRUCTURE COMPRISING A CONTINUOUS WIDE FLAT STRIP EXTENDING SPIRALLY ABOUT THE AXIS OF SAID STURCTURE WITH EACH CONVOLUTION OF THE STRIP OVERLAPPING THE PRECEDING CONVOLUTION AND WITH THE WIDTHWISE DIMENSION OF EVERY PORTION OF THE STRIP EXTENDING ESSENTIALLY
Claim 2
Dependent Claim
49 words
AS A NEW ARTICLE OF MANUFACTURE, A STRONG, RIGID, HOLLOW, CONE-SHAPED STRUCTURE COMPRISING A CONTINUOUS WIDE FLAT STRIP EXTENDING SPIRALLY ABOUT THE AXIS OF SAID STURCTURE WITH EACH CONVOLUTION OF THE STRIP OVERLAPPING THE PRECEDING CONVOLUTION AND WITH THE WIDTHWISE DIMENSION OF EVERY PORTION OF THE STRIP EXTENDING ESSENTIALLY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |