US3044160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing ribbed metal sandwich structures
Assignee: Battelle Development Corp
•
Filing: 1958-03-03
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Granted: 1962-07-17
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Robert I Jaffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
B; B21; B21D; B21D47/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49393; Y10T29/4981; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD OF PRODUCING HOLLOW, RIBBED TITANIUM SHEETS OF CONTROLLED DIMENSIONS AND WITH A UNIFORM, CONTINUOUS BOND BETWEEN THE TITANIUM RIBS AND THE TOP AND BOTTOM TIATANIUM SHEET WHICH COMPRISES THE STEPS OF: ASSEMBLYING ALTERNATE LAYER OF TITANIUM RIBS AND COPPER
Claim 2
Independent Claim
41 words
A METHOD OF PRODUCING HOLLOW, RIBBED TITANIUM SHEETS OF CONTROLLED DIMENSIONS AND WITH A UNIFORM, CONTINUOUS BOND BETWEEN THE TITANIUM RIBS AND THE TOP AND BOTTOM TIATANIUM SHEET WHICH COMPRISES THE STEPS OF: ASSEMBLYING ALTERNATE LAYER OF TITANIUM RIBS AND COPPER
References Cited (Backward Citations)
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US2047555A
Cited
US2214339A
Cited
US2814470A
Cited
US2804285A
Cited
US2851770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |