Patent US1598284A successfully refreshed from Google Patents.
US2833682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced structures
Assignee: Individual
•
Filing: 1953-11-30
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Granted: 1958-05-06
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Laszlo Patrick David De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24273; Y10T428/24298; Y10T428/24314; Y10T428/24479; Y10T428/24521; Y10T428/24744; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A SUBSTANTIALLY RIGID REINFORCED STRUCTURE COMPRISING A LAYER OF REINFORCING MATERIAL CURVED IN TWO PLANES, A PLURALITY OF ELONGATED ARTICULATED HOLLOW FORMS EACH CONSISTING OF ENDWISE ALIGNED SUBSTANTIALLY RIGID HOLLOW ELEMENTS CONSTITUTING CONSECUTIVE SECTIONS OF A SINGLE TRANSVERSELY NOTCHED CHANNEL MEMBER PROVIDING SPACED SIDE WALLS FLEXIBLY JOINED TOGETHER AT THEIR ENDS, SAID FORMS BEING ALSO CURVED IN TWO PLANES TO CONFORM TO SAID LAYER OF REINFORCING MATERIAL, AND AT LEAST ONE ADDITIONAL LAYER OF REINFORCING MATERIAL HAVING PORTIONS PARALLELING SAID FIRST NAMED LAYER, SAID FORMS BEING POSITIONED BETWEEN SAID FIRST NAMED LAYER AND SAID ADDITIONAL LAYER AND BONDED TO BOTH OF THEM.
Claim 2
Dependent Claim
102 words
A SUBSTANTIALLY RIGID REINFORCED STRUCTURE COMPRISING A LAYER OF REINFORCING MATERIAL CURVED IN TWO PLANES, A PLURALITY OF ELONGATED ARTICULATED HOLLOW FORMS EACH CONSISTING OF ENDWISE ALIGNED SUBSTANTIALLY RIGID HOLLOW ELEMENTS CONSTITUTING CONSECUTIVE SECTIONS OF A SINGLE TRANSVERSELY NOTCHED CHANNEL MEMBER PROVIDING SPACED SIDE WALLS FLEXIBLY JOINED TOGETHER AT THEIR ENDS, SAID FORMS BEING ALSO CURVED IN TWO PLANES TO CONFORM TO SAID LAYER OF REINFORCING MATERIAL, AND AT LEAST ONE ADDITIONAL LAYER OF REINFORCING MATERIAL HAVING PORTIONS PARALLELING SAID FIRST NAMED LAYER, SAID FORMS BEING POSITIONED BETWEEN SAID FIRST NAMED LAYER AND SAID ADDITIONAL LAYER AND BONDED TO BOTH OF THEM.
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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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |