US3503172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge-joined sheet material
Assignee: Individual
•
Filing: 1968-01-29
•
Granted: 1970-03-31
•
Expires: 1988-01-29
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Beguin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:47
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/18; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; E04B1/2612; E04D; E04D3/00; E04D3/36; E04D3/366; E04H15/32; E04H15/64; F; F16; F16B; F16B11/00; F16B11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US358405A
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US417757A
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US419512A
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US716729A
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US1187853A
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US1686809A
Cited
US1563598A
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US2396257A
Cited
US2753962A
Cited
US3075802A
Cited
US3254462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |